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Finding the Fourth Proportional to 634.09, 951.20 and 249.25

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Solution

The fourth proportional to 634.09, 951.20 and 249.25 is: 373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.09 : 951.20 = 249.25 : x
  2. Step 2: Convert to fraction form
    634.09/951.20 = 249.25/x
  3. Step 3: Cross multiply
    634.09x = 951.20 × 249.25
  4. Step 4: Simplify right side
    634.09x = 237,085.35
  5. Step 5: Solve for x
    x = 237,085.35/634.09
  6. Step 6: Final answer
    x = 373.90

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Similar ratio
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1.5x scale

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.