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Finding the Fourth Proportional to 567.35, 851.03 and 156.49

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Solution

The fourth proportional to 567.35, 851.03 and 156.49 is: 234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.35 : 851.03 = 156.49 : x
  2. Step 2: Convert to fraction form
    567.35/851.03 = 156.49/x
  3. Step 3: Cross multiply
    567.35x = 851.03 × 156.49
  4. Step 4: Simplify right side
    567.35x = 133,174.77
  5. Step 5: Solve for x
    x = 133,174.77/567.35
  6. Step 6: Final answer
    x = 234.73

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