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Finding the Fourth Proportional to 534.11, 801.17 and 317.57

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Solution

The fourth proportional to 534.11, 801.17 and 317.57 is: 476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.11 : 801.17 = 317.57 : x
  2. Step 2: Convert to fraction form
    534.11/801.17 = 317.57/x
  3. Step 3: Cross multiply
    534.11x = 801.17 × 317.57
  4. Step 4: Simplify right side
    534.11x = 254,421.96
  5. Step 5: Solve for x
    x = 254,421.96/534.11
  6. Step 6: Final answer
    x = 476.35

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Double scale
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Similar ratio
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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.