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Finding the Fourth Proportional to 96.59, 133.14 and 94.13

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Solution

The fourth proportional to 96.59, 133.14 and 94.13 is: 129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.59 : 133.14 = 94.13 : x
  2. Step 2: Convert to fraction form
    96.59/133.14 = 94.13/x
  3. Step 3: Cross multiply
    96.59x = 133.14 × 94.13
  4. Step 4: Simplify right side
    96.59x = 12,532.65
  5. Step 5: Solve for x
    x = 12,532.65/96.59
  6. Step 6: Final answer
    x = 129.75

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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.