Finding the Fourth Proportional to 404.82, 607.50 and 242.82

Step by Step Solution

1. Step 1: Write the proportion equation
   404.82 : 607.50 = 242.82 : x
2. Step 2: Convert to fraction form
   404.82/607.50 = 242.82/x
3. Step 3: Cross multiply
   404.82x = 607.50 × 242.82
4. Step 4: Simplify right side
   404.82x = 147,513.15
5. Step 5: Solve for x
   x = 147,513.15/404.82
6. Step 6: Final answer
   x = 364.39