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Finding the Fourth Proportional to 269.64, 404.22 and 246.44

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Solution

The fourth proportional to 269.64, 404.22 and 246.44 is: 369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.64 : 404.22 = 246.44 : x
  2. Step 2: Convert to fraction form
    269.64/404.22 = 246.44/x
  3. Step 3: Cross multiply
    269.64x = 404.22 × 246.44
  4. Step 4: Simplify right side
    269.64x = 99,615.98
  5. Step 5: Solve for x
    x = 99,615.98/269.64
  6. Step 6: Final answer
    x = 369.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.