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Finding the Fourth Proportional to 531.17, 733.02 and 295.13

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Solution

The fourth proportional to 531.17, 733.02 and 295.13 is: 407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.17 : 733.02 = 295.13 : x
  2. Step 2: Convert to fraction form
    531.17/733.02 = 295.13/x
  3. Step 3: Cross multiply
    531.17x = 733.02 × 295.13
  4. Step 4: Simplify right side
    531.17x = 216,332.53
  5. Step 5: Solve for x
    x = 216,332.53/531.17
  6. Step 6: Final answer
    x = 407.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.