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Finding the Fourth Proportional to 110.35, 150.68 and 108.73

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Solution

The fourth proportional to 110.35, 150.68 and 108.73 is: 148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.35 : 150.68 = 108.73 : x
  2. Step 2: Convert to fraction form
    110.35/150.68 = 108.73/x
  3. Step 3: Cross multiply
    110.35x = 150.68 × 108.73
  4. Step 4: Simplify right side
    110.35x = 16,383.44
  5. Step 5: Solve for x
    x = 16,383.44/110.35
  6. Step 6: Final answer
    x = 148.47

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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.