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Finding the Fourth Proportional to 637.90, 952.53 and 506.43

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Solution

The fourth proportional to 637.90, 952.53 and 506.43 is: 756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.90 : 952.53 = 506.43 : x
  2. Step 2: Convert to fraction form
    637.90/952.53 = 506.43/x
  3. Step 3: Cross multiply
    637.90x = 952.53 × 506.43
  4. Step 4: Simplify right side
    637.90x = 482,382.47
  5. Step 5: Solve for x
    x = 482,382.47/637.90
  6. Step 6: Final answer
    x = 756.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.