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Finding the Fourth Proportional to 510.38, 765.63 and 232.68

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Solution

The fourth proportional to 510.38, 765.63 and 232.68 is: 349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.38 : 765.63 = 232.68 : x
  2. Step 2: Convert to fraction form
    510.38/765.63 = 232.68/x
  3. Step 3: Cross multiply
    510.38x = 765.63 × 232.68
  4. Step 4: Simplify right side
    510.38x = 178,146.79
  5. Step 5: Solve for x
    x = 178,146.79/510.38
  6. Step 6: Final answer
    x = 349.05

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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.