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Finding the Fourth Proportional to 68.73, 94.79 and 44.18

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Solution

The fourth proportional to 68.73, 94.79 and 44.18 is: 60.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.73 : 94.79 = 44.18 : x
  2. Step 2: Convert to fraction form
    68.73/94.79 = 44.18/x
  3. Step 3: Cross multiply
    68.73x = 94.79 × 44.18
  4. Step 4: Simplify right side
    68.73x = 4,187.13
  5. Step 5: Solve for x
    x = 4,187.13/68.73
  6. Step 6: Final answer
    x = 60.92

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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.