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Finding the Fourth Proportional to 510.04, 765.13 and 163.39

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Solution

The fourth proportional to 510.04, 765.13 and 163.39 is: 245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.04 : 765.13 = 163.39 : x
  2. Step 2: Convert to fraction form
    510.04/765.13 = 163.39/x
  3. Step 3: Cross multiply
    510.04x = 765.13 × 163.39
  4. Step 4: Simplify right side
    510.04x = 125,010.77
  5. Step 5: Solve for x
    x = 125,010.77/510.04
  6. Step 6: Final answer
    x = 245.10

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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.