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Finding the Fourth Proportional to 342.88, 473.25 and 195.59

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Solution

The fourth proportional to 342.88, 473.25 and 195.59 is: 269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.88 : 473.25 = 195.59 : x
  2. Step 2: Convert to fraction form
    342.88/473.25 = 195.59/x
  3. Step 3: Cross multiply
    342.88x = 473.25 × 195.59
  4. Step 4: Simplify right side
    342.88x = 92,562.97
  5. Step 5: Solve for x
    x = 92,562.97/342.88
  6. Step 6: Final answer
    x = 269.96

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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.