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Finding the Fourth Proportional to 634.59, 950.27 and 440.19

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Solution

The fourth proportional to 634.59, 950.27 and 440.19 is: 659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.59 : 950.27 = 440.19 : x
  2. Step 2: Convert to fraction form
    634.59/950.27 = 440.19/x
  3. Step 3: Cross multiply
    634.59x = 950.27 × 440.19
  4. Step 4: Simplify right side
    634.59x = 418,297.15
  5. Step 5: Solve for x
    x = 418,297.15/634.59
  6. Step 6: Final answer
    x = 659.16

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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.