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Finding the Fourth Proportional to 44.04, 66.36 and 36.96

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Solution

The fourth proportional to 44.04, 66.36 and 36.96 is: 55.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.04 : 66.36 = 36.96 : x
  2. Step 2: Convert to fraction form
    44.04/66.36 = 36.96/x
  3. Step 3: Cross multiply
    44.04x = 66.36 × 36.96
  4. Step 4: Simplify right side
    44.04x = 2,452.48
  5. Step 5: Solve for x
    x = 2,452.48/44.04
  6. Step 6: Final answer
    x = 55.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.