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Finding the Fourth Proportional to 62.49, 93.25 and 56.42

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Solution

The fourth proportional to 62.49, 93.25 and 56.42 is: 84.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.49 : 93.25 = 56.42 : x
  2. Step 2: Convert to fraction form
    62.49/93.25 = 56.42/x
  3. Step 3: Cross multiply
    62.49x = 93.25 × 56.42
  4. Step 4: Simplify right side
    62.49x = 5,261.17
  5. Step 5: Solve for x
    x = 5,261.17/62.49
  6. Step 6: Final answer
    x = 84.19

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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.