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Finding the Fourth Proportional to 542.54, 748.37 and 411.32

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Solution

The fourth proportional to 542.54, 748.37 and 411.32 is: 567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.54 : 748.37 = 411.32 : x
  2. Step 2: Convert to fraction form
    542.54/748.37 = 411.32/x
  3. Step 3: Cross multiply
    542.54x = 748.37 × 411.32
  4. Step 4: Simplify right side
    542.54x = 307,813.75
  5. Step 5: Solve for x
    x = 307,813.75/542.54
  6. Step 6: Final answer
    x = 567.36

Related Problems

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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.