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Finding the Fourth Proportional to 510.35, 765.60 and 236.29

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Solution

The fourth proportional to 510.35, 765.60 and 236.29 is: 354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.35 : 765.60 = 236.29 : x
  2. Step 2: Convert to fraction form
    510.35/765.60 = 236.29/x
  3. Step 3: Cross multiply
    510.35x = 765.60 × 236.29
  4. Step 4: Simplify right side
    510.35x = 180,905.74
  5. Step 5: Solve for x
    x = 180,905.74/510.35
  6. Step 6: Final answer
    x = 354.47

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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.