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Finding the Fourth Proportional to 634.05, 950.94 and 217.54

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Solution

The fourth proportional to 634.05, 950.94 and 217.54 is: 326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.05 : 950.94 = 217.54 : x
  2. Step 2: Convert to fraction form
    634.05/950.94 = 217.54/x
  3. Step 3: Cross multiply
    634.05x = 950.94 × 217.54
  4. Step 4: Simplify right side
    634.05x = 206,863.33
  5. Step 5: Solve for x
    x = 206,863.33/634.05
  6. Step 6: Final answer
    x = 326.26

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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.