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Finding the Fourth Proportional to 196.62, 269.82 and 193.65

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Solution

The fourth proportional to 196.62, 269.82 and 193.65 is: 265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.62 : 269.82 = 193.65 : x
  2. Step 2: Convert to fraction form
    196.62/269.82 = 193.65/x
  3. Step 3: Cross multiply
    196.62x = 269.82 × 193.65
  4. Step 4: Simplify right side
    196.62x = 52,250.64
  5. Step 5: Solve for x
    x = 52,250.64/196.62
  6. Step 6: Final answer
    x = 265.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.