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Finding the Fourth Proportional to 110.87, 165.66 and 96.97

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Solution

The fourth proportional to 110.87, 165.66 and 96.97 is: 144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.87 : 165.66 = 96.97 : x
  2. Step 2: Convert to fraction form
    110.87/165.66 = 96.97/x
  3. Step 3: Cross multiply
    110.87x = 165.66 × 96.97
  4. Step 4: Simplify right side
    110.87x = 16,064.19
  5. Step 5: Solve for x
    x = 16,064.19/110.87
  6. Step 6: Final answer
    x = 144.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.