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Finding the Fourth Proportional to 44.94, 61.97 and 34.55

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Solution

The fourth proportional to 44.94, 61.97 and 34.55 is: 47.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.94 : 61.97 = 34.55 : x
  2. Step 2: Convert to fraction form
    44.94/61.97 = 34.55/x
  3. Step 3: Cross multiply
    44.94x = 61.97 × 34.55
  4. Step 4: Simplify right side
    44.94x = 2,140.58
  5. Step 5: Solve for x
    x = 2,140.58/44.94
  6. Step 6: Final answer
    x = 47.63

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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.