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Finding the Fourth Proportional to 96.15, 132.62 and 59.33

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Solution

The fourth proportional to 96.15, 132.62 and 59.33 is: 81.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.15 : 132.62 = 59.33 : x
  2. Step 2: Convert to fraction form
    96.15/132.62 = 59.33/x
  3. Step 3: Cross multiply
    96.15x = 132.62 × 59.33
  4. Step 4: Simplify right side
    96.15x = 7,867.38
  5. Step 5: Solve for x
    x = 7,867.38/96.15
  6. Step 6: Final answer
    x = 81.82

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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.