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Finding the Fourth Proportional to 132.47, 198.10 and 96.02

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Solution

The fourth proportional to 132.47, 198.10 and 96.02 is: 143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.47 : 198.10 = 96.02 : x
  2. Step 2: Convert to fraction form
    132.47/198.10 = 96.02/x
  3. Step 3: Cross multiply
    132.47x = 198.10 × 96.02
  4. Step 4: Simplify right side
    132.47x = 19,021.08
  5. Step 5: Solve for x
    x = 19,021.08/132.47
  6. Step 6: Final answer
    x = 143.59

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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.