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Finding the Fourth Proportional to 244.67, 367.12 and 147.20

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Solution

The fourth proportional to 244.67, 367.12 and 147.20 is: 220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.67 : 367.12 = 147.20 : x
  2. Step 2: Convert to fraction form
    244.67/367.12 = 147.20/x
  3. Step 3: Cross multiply
    244.67x = 367.12 × 147.20
  4. Step 4: Simplify right side
    244.67x = 54,039.33
  5. Step 5: Solve for x
    x = 54,039.33/244.67
  6. Step 6: Final answer
    x = 220.87

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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.