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Finding the Fourth Proportional to 510.03, 765.08 and 250.25

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Solution

The fourth proportional to 510.03, 765.08 and 250.25 is: 375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.03 : 765.08 = 250.25 : x
  2. Step 2: Convert to fraction form
    510.03/765.08 = 250.25/x
  3. Step 3: Cross multiply
    510.03x = 765.08 × 250.25
  4. Step 4: Simplify right side
    510.03x = 191,456.19
  5. Step 5: Solve for x
    x = 191,456.19/510.03
  6. Step 6: Final answer
    x = 375.38

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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.