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Finding the Fourth Proportional to 531.38, 733.25 and 295.28

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Solution

The fourth proportional to 531.38, 733.25 and 295.28 is: 407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.38 : 733.25 = 295.28 : x
  2. Step 2: Convert to fraction form
    531.38/733.25 = 295.28/x
  3. Step 3: Cross multiply
    531.38x = 733.25 × 295.28
  4. Step 4: Simplify right side
    531.38x = 216,508.92
  5. Step 5: Solve for x
    x = 216,508.92/531.38
  6. Step 6: Final answer
    x = 407.45

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.