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Finding the Fourth Proportional to 132.57, 183.09 and 95.66

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Solution

The fourth proportional to 132.57, 183.09 and 95.66 is: 132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.57 : 183.09 = 95.66 : x
  2. Step 2: Convert to fraction form
    132.57/183.09 = 95.66/x
  3. Step 3: Cross multiply
    132.57x = 183.09 × 95.66
  4. Step 4: Simplify right side
    132.57x = 17,515.55
  5. Step 5: Solve for x
    x = 17,515.55/132.57
  6. Step 6: Final answer
    x = 132.12

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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.