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Finding the Fourth Proportional to 73.13, 100.91 and 44.01

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Solution

The fourth proportional to 73.13, 100.91 and 44.01 is: 60.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.13 : 100.91 = 44.01 : x
  2. Step 2: Convert to fraction form
    73.13/100.91 = 44.01/x
  3. Step 3: Cross multiply
    73.13x = 100.91 × 44.01
  4. Step 4: Simplify right side
    73.13x = 4,441.16
  5. Step 5: Solve for x
    x = 4,441.16/73.13
  6. Step 6: Final answer
    x = 60.73

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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.