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Finding the Fourth Proportional to 567.47, 851.21 and 349.49

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Solution

The fourth proportional to 567.47, 851.21 and 349.49 is: 524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.47 : 851.21 = 349.49 : x
  2. Step 2: Convert to fraction form
    567.47/851.21 = 349.49/x
  3. Step 3: Cross multiply
    567.47x = 851.21 × 349.49
  4. Step 4: Simplify right side
    567.47x = 297,489.38
  5. Step 5: Solve for x
    x = 297,489.38/567.47
  6. Step 6: Final answer
    x = 524.24

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.