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Finding the Fourth Proportional to 73.57, 110.37 and 22.22

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Solution

The fourth proportional to 73.57, 110.37 and 22.22 is: 33.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.57 : 110.37 = 22.22 : x
  2. Step 2: Convert to fraction form
    73.57/110.37 = 22.22/x
  3. Step 3: Cross multiply
    73.57x = 110.37 × 22.22
  4. Step 4: Simplify right side
    73.57x = 2,451.87
  5. Step 5: Solve for x
    x = 2,451.87/73.57
  6. Step 6: Final answer
    x = 33.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.