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Finding the Fourth Proportional to 110.40, 166.02 and 101.48

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Solution

The fourth proportional to 110.40, 166.02 and 101.48 is: 152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.40 : 166.02 = 101.48 : x
  2. Step 2: Convert to fraction form
    110.40/166.02 = 101.48/x
  3. Step 3: Cross multiply
    110.40x = 166.02 × 101.48
  4. Step 4: Simplify right side
    110.40x = 16,847.71
  5. Step 5: Solve for x
    x = 16,847.71/110.40
  6. Step 6: Final answer
    x = 152.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.