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Finding the Fourth Proportional to 44.76, 66.85 and 37.08

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Solution

The fourth proportional to 44.76, 66.85 and 37.08 is: 55.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.76 : 66.85 = 37.08 : x
  2. Step 2: Convert to fraction form
    44.76/66.85 = 37.08/x
  3. Step 3: Cross multiply
    44.76x = 66.85 × 37.08
  4. Step 4: Simplify right side
    44.76x = 2,478.80
  5. Step 5: Solve for x
    x = 2,478.80/44.76
  6. Step 6: Final answer
    x = 55.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.