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Finding the Fourth Proportional to 132.33, 198.25 and 63.69

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Solution

The fourth proportional to 132.33, 198.25 and 63.69 is: 95.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.33 : 198.25 = 63.69 : x
  2. Step 2: Convert to fraction form
    132.33/198.25 = 63.69/x
  3. Step 3: Cross multiply
    132.33x = 198.25 × 63.69
  4. Step 4: Simplify right side
    132.33x = 12,625.64
  5. Step 5: Solve for x
    x = 12,625.64/132.33
  6. Step 6: Final answer
    x = 95.41

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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.