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Finding the Fourth Proportional to 634.87, 950.97 and 403.64

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Solution

The fourth proportional to 634.87, 950.97 and 403.64 is: 604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.87 : 950.97 = 403.64 : x
  2. Step 2: Convert to fraction form
    634.87/950.97 = 403.64/x
  3. Step 3: Cross multiply
    634.87x = 950.97 × 403.64
  4. Step 4: Simplify right side
    634.87x = 383,851.91
  5. Step 5: Solve for x
    x = 383,851.91/634.87
  6. Step 6: Final answer
    x = 604.62

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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.