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Finding the Fourth Proportional to 335.26, 462.71 and 195.46

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Solution

The fourth proportional to 335.26, 462.71 and 195.46 is: 269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.26 : 462.71 = 195.46 : x
  2. Step 2: Convert to fraction form
    335.26/462.71 = 195.46/x
  3. Step 3: Cross multiply
    335.26x = 462.71 × 195.46
  4. Step 4: Simplify right side
    335.26x = 90,440.73
  5. Step 5: Solve for x
    x = 90,440.73/335.26
  6. Step 6: Final answer
    x = 269.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.