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Finding the Fourth Proportional to 62.77, 86.54 and 44.34

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Solution

The fourth proportional to 62.77, 86.54 and 44.34 is: 61.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.77 : 86.54 = 44.34 : x
  2. Step 2: Convert to fraction form
    62.77/86.54 = 44.34/x
  3. Step 3: Cross multiply
    62.77x = 86.54 × 44.34
  4. Step 4: Simplify right side
    62.77x = 3,836.75
  5. Step 5: Solve for x
    x = 3,836.75/62.77
  6. Step 6: Final answer
    x = 61.13

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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.