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Finding the Fourth Proportional to 500.69, 751.04 and 135.49

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Solution

The fourth proportional to 500.69, 751.04 and 135.49 is: 203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.69 : 751.04 = 135.49 : x
  2. Step 2: Convert to fraction form
    500.69/751.04 = 135.49/x
  3. Step 3: Cross multiply
    500.69x = 751.04 × 135.49
  4. Step 4: Simplify right side
    500.69x = 101,753.98
  5. Step 5: Solve for x
    x = 101,753.98/500.69
  6. Step 6: Final answer
    x = 203.23

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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.