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Finding the Fourth Proportional to 62.11, 85.53 and 59.37

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Solution

The fourth proportional to 62.11, 85.53 and 59.37 is: 81.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.11 : 85.53 = 59.37 : x
  2. Step 2: Convert to fraction form
    62.11/85.53 = 59.37/x
  3. Step 3: Cross multiply
    62.11x = 85.53 × 59.37
  4. Step 4: Simplify right side
    62.11x = 5,077.92
  5. Step 5: Solve for x
    x = 5,077.92/62.11
  6. Step 6: Final answer
    x = 81.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.