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Finding the Fourth Proportional to 68.86, 94.95 and 44.27

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Solution

The fourth proportional to 68.86, 94.95 and 44.27 is: 61.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.86 : 94.95 = 44.27 : x
  2. Step 2: Convert to fraction form
    68.86/94.95 = 44.27/x
  3. Step 3: Cross multiply
    68.86x = 94.95 × 44.27
  4. Step 4: Simplify right side
    68.86x = 4,202.96
  5. Step 5: Solve for x
    x = 4,202.96/68.86
  6. Step 6: Final answer
    x = 61.04

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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.