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Finding the Fourth Proportional to 62.76, 94.12 and 33.88

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Solution

The fourth proportional to 62.76, 94.12 and 33.88 is: 50.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.76 : 94.12 = 33.88 : x
  2. Step 2: Convert to fraction form
    62.76/94.12 = 33.88/x
  3. Step 3: Cross multiply
    62.76x = 94.12 × 33.88
  4. Step 4: Simplify right side
    62.76x = 3,188.79
  5. Step 5: Solve for x
    x = 3,188.79/62.76
  6. Step 6: Final answer
    x = 50.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.