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Finding the Fourth Proportional to 757.33, 1,136.17 and 237.32

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Solution

The fourth proportional to 757.33, 1,136.17 and 237.32 is: 356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.33 : 1,136.17 = 237.32 : x
  2. Step 2: Convert to fraction form
    757.33/1,136.17 = 237.32/x
  3. Step 3: Cross multiply
    757.33x = 1,136.17 × 237.32
  4. Step 4: Simplify right side
    757.33x = 269,640.54
  5. Step 5: Solve for x
    x = 269,640.54/757.33
  6. Step 6: Final answer
    x = 356.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.