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Finding the Fourth Proportional to 757.47, 1,136.10 and 237.83

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Solution

The fourth proportional to 757.47, 1,136.10 and 237.83 is: 356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.47 : 1,136.10 = 237.83 : x
  2. Step 2: Convert to fraction form
    757.47/1,136.10 = 237.83/x
  3. Step 3: Cross multiply
    757.47x = 1,136.10 × 237.83
  4. Step 4: Simplify right side
    757.47x = 270,192.98
  5. Step 5: Solve for x
    x = 270,192.98/757.47
  6. Step 6: Final answer
    x = 356.70

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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.