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Finding the Fourth Proportional to 339.97, 510.05 and 96.52

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Solution

The fourth proportional to 339.97, 510.05 and 96.52 is: 144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.97 : 510.05 = 96.52 : x
  2. Step 2: Convert to fraction form
    339.97/510.05 = 96.52/x
  3. Step 3: Cross multiply
    339.97x = 510.05 × 96.52
  4. Step 4: Simplify right side
    339.97x = 49,227.97
  5. Step 5: Solve for x
    x = 49,227.97/339.97
  6. Step 6: Final answer
    x = 144.80

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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.