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Finding the Fourth Proportional to 61.57, 92.69 and 44.56

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Solution

The fourth proportional to 61.57, 92.69 and 44.56 is: 67.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.57 : 92.69 = 44.56 : x
  2. Step 2: Convert to fraction form
    61.57/92.69 = 44.56/x
  3. Step 3: Cross multiply
    61.57x = 92.69 × 44.56
  4. Step 4: Simplify right side
    61.57x = 4,130.33
  5. Step 5: Solve for x
    x = 4,130.33/61.57
  6. Step 6: Final answer
    x = 67.08

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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.