Which ratio can form a proportion with 4/8

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Can someone check my answer? you : )

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression