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Finding the Fourth Proportional to 44.62, 61.60 and 28.27

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Solution

The fourth proportional to 44.62, 61.60 and 28.27 is: 39.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.62 : 61.60 = 28.27 : x
  2. Step 2: Convert to fraction form
    44.62/61.60 = 28.27/x
  3. Step 3: Cross multiply
    44.62x = 61.60 × 28.27
  4. Step 4: Simplify right side
    44.62x = 1,741.21
  5. Step 5: Solve for x
    x = 1,741.21/44.62
  6. Step 6: Final answer
    x = 39.03

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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.