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Finding the Fourth Proportional to 44.28, 61.11 and 41.69

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Solution

The fourth proportional to 44.28, 61.11 and 41.69 is: 57.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.28 : 61.11 = 41.69 : x
  2. Step 2: Convert to fraction form
    44.28/61.11 = 41.69/x
  3. Step 3: Cross multiply
    44.28x = 61.11 × 41.69
  4. Step 4: Simplify right side
    44.28x = 2,547.37
  5. Step 5: Solve for x
    x = 2,547.37/44.28
  6. Step 6: Final answer
    x = 57.53

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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.