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Finding the Fourth Proportional to 96.43, 133.13 and 59.63

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Solution

The fourth proportional to 96.43, 133.13 and 59.63 is: 82.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.43 : 133.13 = 59.63 : x
  2. Step 2: Convert to fraction form
    96.43/133.13 = 59.63/x
  3. Step 3: Cross multiply
    96.43x = 133.13 × 59.63
  4. Step 4: Simplify right side
    96.43x = 7,938.03
  5. Step 5: Solve for x
    x = 7,938.03/96.43
  6. Step 6: Final answer
    x = 82.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.