1974 Scamp What Wheel/tire size question...15x8 b/s?

any more confirmations that the below combo looks ok?

REAR
15 x 8.0 in., 5.0 in. Backspace
With 245 / 60R15
Front
15 x 7.0 in., , 4.0 in. Backspace
With 225 / 60R15