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Finding the Fourth Proportional to 296.44, 408.82 and 269.08

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Solution

The fourth proportional to 296.44, 408.82 and 269.08 is: 371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.44 : 408.82 = 269.08 : x
  2. Step 2: Convert to fraction form
    296.44/408.82 = 269.08/x
  3. Step 3: Cross multiply
    296.44x = 408.82 × 269.08
  4. Step 4: Simplify right side
    296.44x = 110,005.29
  5. Step 5: Solve for x
    x = 110,005.29/296.44
  6. Step 6: Final answer
    x = 371.09

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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.