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Finding the Fourth Proportional to 62.61, 94.57 and 62.11

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Solution

The fourth proportional to 62.61, 94.57 and 62.11 is: 93.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.61 : 94.57 = 62.11 : x
  2. Step 2: Convert to fraction form
    62.61/94.57 = 62.11/x
  3. Step 3: Cross multiply
    62.61x = 94.57 × 62.11
  4. Step 4: Simplify right side
    62.61x = 5,873.74
  5. Step 5: Solve for x
    x = 5,873.74/62.61
  6. Step 6: Final answer
    x = 93.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.