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Finding the Fourth Proportional to 196.20, 294.25 and 93.39

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Solution

The fourth proportional to 196.20, 294.25 and 93.39 is: 140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.20 : 294.25 = 93.39 : x
  2. Step 2: Convert to fraction form
    196.20/294.25 = 93.39/x
  3. Step 3: Cross multiply
    196.20x = 294.25 × 93.39
  4. Step 4: Simplify right side
    196.20x = 27,480.01
  5. Step 5: Solve for x
    x = 27,480.01/196.20
  6. Step 6: Final answer
    x = 140.06

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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.