Campbell sealed a fourth title in three days at the Natatorium of the Jinan Olympic Sport Centre as she won the women's 100 metres freestyle in 52.34sec.

Sweden's Michelle Coleman was second in 53.73 as Holly Barratt completed a 1-3 for Australia in 54.78.

Campbell had already won the women's 50m freestyle, 50m butterfly and mixed 4x100m freestyle relay titles in China.

Team-mate Emily Seebohm continued her return to form by winning the 200m backstroke by almost seven seconds.

Seebohm clocked 2min 09.56sec for gold, with China's Yuru Jiang second in 2:16.33.

American Erica Sullivan took bronze in 2:16.36.

Seebohm later collected a bronze medal in the 200m medley as Hungarian Katinka Hosszú won a fourth title of the meet.

Hosszú won in 2:09.41, with compatriot Zsuzsanna Jakabos taking silver on 2:13.32 and Seebohm rounding off the podium in 2:17.39.

Mitchell Larkin and Thomas Fraser-Holmes also secured wins for Australia on a busy night in the Jinan pool.

Larkin led an Australian 1-2 in winning the 100m backstroke final ahead of Tristan Jason Holland.

Larkin, winner of the men's 200m medley yesterday, clocked 53.70 for gold as Holland took silver in 54.39.

The bronze medal was won by Michael Andrew of the United States in 54.44.

Fraser-Holmes won the 400m medley in 4:20.55 as American Brennan Gravley took silver 15 seconds behind in 4:34.99.

Chen-Kai Chu won bronze for Chinese Taipei in 4:38.75.