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Finding the Fourth Proportional to 110.64, 152.77 and 95.91

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Solution

The fourth proportional to 110.64, 152.77 and 95.91 is: 132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.64 : 152.77 = 95.91 : x
  2. Step 2: Convert to fraction form
    110.64/152.77 = 95.91/x
  3. Step 3: Cross multiply
    110.64x = 152.77 × 95.91
  4. Step 4: Simplify right side
    110.64x = 14,652.17
  5. Step 5: Solve for x
    x = 14,652.17/110.64
  6. Step 6: Final answer
    x = 132.43

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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.