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Finding the Fourth Proportional to 297.38, 410.56 and 194.06

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Solution

The fourth proportional to 297.38, 410.56 and 194.06 is: 267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.38 : 410.56 = 194.06 : x
  2. Step 2: Convert to fraction form
    297.38/410.56 = 194.06/x
  3. Step 3: Cross multiply
    297.38x = 410.56 × 194.06
  4. Step 4: Simplify right side
    297.38x = 79,670.74
  5. Step 5: Solve for x
    x = 79,670.74/297.38
  6. Step 6: Final answer
    x = 267.91

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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.