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Finding the Fourth Proportional to 44.76, 61.78 and 29.19

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Solution

The fourth proportional to 44.76, 61.78 and 29.19 is: 40.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.76 : 61.78 = 29.19 : x
  2. Step 2: Convert to fraction form
    44.76/61.78 = 29.19/x
  3. Step 3: Cross multiply
    44.76x = 61.78 × 29.19
  4. Step 4: Simplify right side
    44.76x = 1,803.36
  5. Step 5: Solve for x
    x = 1,803.36/44.76
  6. Step 6: Final answer
    x = 40.29

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Find fourth proportional to 22.38, 30.89 and 14.60
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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.