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Finding the Fourth Proportional to 61.66, 92.41 and 27.37

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Solution

The fourth proportional to 61.66, 92.41 and 27.37 is: 41.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.66 : 92.41 = 27.37 : x
  2. Step 2: Convert to fraction form
    61.66/92.41 = 27.37/x
  3. Step 3: Cross multiply
    61.66x = 92.41 × 27.37
  4. Step 4: Simplify right side
    61.66x = 2,529.26
  5. Step 5: Solve for x
    x = 2,529.26/61.66
  6. Step 6: Final answer
    x = 41.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.