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Finding the Fourth Proportional to 96.58, 133.96 and 93.30

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Solution

The fourth proportional to 96.58, 133.96 and 93.30 is: 129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.58 : 133.96 = 93.30 : x
  2. Step 2: Convert to fraction form
    96.58/133.96 = 93.30/x
  3. Step 3: Cross multiply
    96.58x = 133.96 × 93.30
  4. Step 4: Simplify right side
    96.58x = 12,498.47
  5. Step 5: Solve for x
    x = 12,498.47/96.58
  6. Step 6: Final answer
    x = 129.41

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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.