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Finding the Fourth Proportional to 193.34, 265.33 and 191.97

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Solution

The fourth proportional to 193.34, 265.33 and 191.97 is: 263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.34 : 265.33 = 191.97 : x
  2. Step 2: Convert to fraction form
    193.34/265.33 = 191.97/x
  3. Step 3: Cross multiply
    193.34x = 265.33 × 191.97
  4. Step 4: Simplify right side
    193.34x = 50,934.56
  5. Step 5: Solve for x
    x = 50,934.56/193.34
  6. Step 6: Final answer
    x = 263.45

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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.