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Finding the Fourth Proportional to 96.18, 133.65 and 95.19

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Solution

The fourth proportional to 96.18, 133.65 and 95.19 is: 132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.18 : 133.65 = 95.19 : x
  2. Step 2: Convert to fraction form
    96.18/133.65 = 95.19/x
  3. Step 3: Cross multiply
    96.18x = 133.65 × 95.19
  4. Step 4: Simplify right side
    96.18x = 12,722.14
  5. Step 5: Solve for x
    x = 12,722.14/96.18
  6. Step 6: Final answer
    x = 132.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.