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Finding the Fourth Proportional to 510.62, 765.94 and 168.62

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Solution

The fourth proportional to 510.62, 765.94 and 168.62 is: 252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.62 : 765.94 = 168.62 : x
  2. Step 2: Convert to fraction form
    510.62/765.94 = 168.62/x
  3. Step 3: Cross multiply
    510.62x = 765.94 × 168.62
  4. Step 4: Simplify right side
    510.62x = 129,152.80
  5. Step 5: Solve for x
    x = 129,152.80/510.62
  6. Step 6: Final answer
    x = 252.93

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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.