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Finding the Fourth Proportional to 62.49, 92.46 and 62.31

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Solution

The fourth proportional to 62.49, 92.46 and 62.31 is: 92.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.49 : 92.46 = 62.31 : x
  2. Step 2: Convert to fraction form
    62.49/92.46 = 62.31/x
  3. Step 3: Cross multiply
    62.49x = 92.46 × 62.31
  4. Step 4: Simplify right side
    62.49x = 5,761.18
  5. Step 5: Solve for x
    x = 5,761.18/62.49
  6. Step 6: Final answer
    x = 92.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.