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Finding the Fourth Proportional to 110.41, 152.26 and 82.73

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Solution

The fourth proportional to 110.41, 152.26 and 82.73 is: 114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.41 : 152.26 = 82.73 : x
  2. Step 2: Convert to fraction form
    110.41/152.26 = 82.73/x
  3. Step 3: Cross multiply
    110.41x = 152.26 × 82.73
  4. Step 4: Simplify right side
    110.41x = 12,596.64
  5. Step 5: Solve for x
    x = 12,596.64/110.41
  6. Step 6: Final answer
    x = 114.09

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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.