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Finding the Fourth Proportional to 96.94, 132.86 and 93.16

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Solution

The fourth proportional to 96.94, 132.86 and 93.16 is: 127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.94 : 132.86 = 93.16 : x
  2. Step 2: Convert to fraction form
    96.94/132.86 = 93.16/x
  3. Step 3: Cross multiply
    96.94x = 132.86 × 93.16
  4. Step 4: Simplify right side
    96.94x = 12,377.24
  5. Step 5: Solve for x
    x = 12,377.24/96.94
  6. Step 6: Final answer
    x = 127.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.