Dundee United celebrated their cinch Championship trophy day in style as they came from behind to beat Partick Thistle 4-1 at Tannadice with goals from Craig Sibbald, Kai Fotheringham, Tony Watt and Louis Moult (penalty) after Ben Stanway had given the Jags an early lead.
Second-placed Raith Rovers thumped relegated Arbroath 5-0 at Stark's Park while Ayr United and Dunfermline Athletic drew 3-3 at Somerset Park.
Queen's Park defeated Airdrieonians 2-0 at Hampden Park with goals from Ruari Paton and Liam McLeish to secure their Championship status, which means Inverness CT face the play-offs despite seeing off Greenock Morton 3-1 at the Caledonian Stadium.