Finding the Fourth Proportional to 152.52, 211.89 and 151.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152.52 : 211.89 = 151.10 : x
2. Step 2: Convert to fraction form
   152.52/211.89 = 151.10/x
3. Step 3: Cross multiply
   152.52x = 211.89 × 151.10
4. Step 4: Simplify right side
   152.52x = 32,017.68
5. Step 5: Solve for x
   x = 32,017.68/152.52
6. Step 6: Final answer
   x = 209.92