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Finding the Fourth Proportional to 510.62, 765.50 and 236.57

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Solution

The fourth proportional to 510.62, 765.50 and 236.57 is: 354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.62 : 765.50 = 236.57 : x
  2. Step 2: Convert to fraction form
    510.62/765.50 = 236.57/x
  3. Step 3: Cross multiply
    510.62x = 765.50 × 236.57
  4. Step 4: Simplify right side
    510.62x = 181,089.32
  5. Step 5: Solve for x
    x = 181,089.32/510.62
  6. Step 6: Final answer
    x = 354.65

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Double scale
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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.