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Finding the Fourth Proportional to 132.68, 199.02 and 96.44

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Solution

The fourth proportional to 132.68, 199.02 and 96.44 is: 144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.68 : 199.02 = 96.44 : x
  2. Step 2: Convert to fraction form
    132.68/199.02 = 96.44/x
  3. Step 3: Cross multiply
    132.68x = 199.02 × 96.44
  4. Step 4: Simplify right side
    132.68x = 19,193.49
  5. Step 5: Solve for x
    x = 19,193.49/132.68
  6. Step 6: Final answer
    x = 144.66

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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.