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Finding the Fourth Proportional to 62.09, 92.66 and 58.28

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Solution

The fourth proportional to 62.09, 92.66 and 58.28 is: 86.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.09 : 92.66 = 58.28 : x
  2. Step 2: Convert to fraction form
    62.09/92.66 = 58.28/x
  3. Step 3: Cross multiply
    62.09x = 92.66 × 58.28
  4. Step 4: Simplify right side
    62.09x = 5,399.47
  5. Step 5: Solve for x
    x = 5,399.47/62.09
  6. Step 6: Final answer
    x = 86.97

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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.