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Finding the Fourth Proportional to 48.01, 71.66 and 44.59

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Solution

The fourth proportional to 48.01, 71.66 and 44.59 is: 66.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.01 : 71.66 = 44.59 : x
  2. Step 2: Convert to fraction form
    48.01/71.66 = 44.59/x
  3. Step 3: Cross multiply
    48.01x = 71.66 × 44.59
  4. Step 4: Simplify right side
    48.01x = 3,195.32
  5. Step 5: Solve for x
    x = 3,195.32/48.01
  6. Step 6: Final answer
    x = 66.56

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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.