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Finding the Fourth Proportional to 244.63, 367.17 and 142.03

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Solution

The fourth proportional to 244.63, 367.17 and 142.03 is: 213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.63 : 367.17 = 142.03 : x
  2. Step 2: Convert to fraction form
    244.63/367.17 = 142.03/x
  3. Step 3: Cross multiply
    244.63x = 367.17 × 142.03
  4. Step 4: Simplify right side
    244.63x = 52,149.16
  5. Step 5: Solve for x
    x = 52,149.16/244.63
  6. Step 6: Final answer
    x = 213.18

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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.