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Finding the Fourth Proportional to 634.94, 952.36 and 269.43

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Solution

The fourth proportional to 634.94, 952.36 and 269.43 is: 404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.94 : 952.36 = 269.43 : x
  2. Step 2: Convert to fraction form
    634.94/952.36 = 269.43/x
  3. Step 3: Cross multiply
    634.94x = 952.36 × 269.43
  4. Step 4: Simplify right side
    634.94x = 256,590.11
  5. Step 5: Solve for x
    x = 256,590.11/634.94
  6. Step 6: Final answer
    x = 404.12

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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.