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Finding the Fourth Proportional to 62.28, 92.89 and 58.76

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Solution

The fourth proportional to 62.28, 92.89 and 58.76 is: 87.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.28 : 92.89 = 58.76 : x
  2. Step 2: Convert to fraction form
    62.28/92.89 = 58.76/x
  3. Step 3: Cross multiply
    62.28x = 92.89 × 58.76
  4. Step 4: Simplify right side
    62.28x = 5,458.22
  5. Step 5: Solve for x
    x = 5,458.22/62.28
  6. Step 6: Final answer
    x = 87.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.