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Finding the Fourth Proportional to 44.44, 61.29 and 29.89

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Solution

The fourth proportional to 44.44, 61.29 and 29.89 is: 41.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.44 : 61.29 = 29.89 : x
  2. Step 2: Convert to fraction form
    44.44/61.29 = 29.89/x
  3. Step 3: Cross multiply
    44.44x = 61.29 × 29.89
  4. Step 4: Simplify right side
    44.44x = 1,831.96
  5. Step 5: Solve for x
    x = 1,831.96/44.44
  6. Step 6: Final answer
    x = 41.22

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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.