Home / 627.11-941.24-319.16

Finding the Fourth Proportional to 627.11, 941.24 and 319.16

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Solution

The fourth proportional to 627.11, 941.24 and 319.16 is: 479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.11 : 941.24 = 319.16 : x
  2. Step 2: Convert to fraction form
    627.11/941.24 = 319.16/x
  3. Step 3: Cross multiply
    627.11x = 941.24 × 319.16
  4. Step 4: Simplify right side
    627.11x = 300,406.92
  5. Step 5: Solve for x
    x = 300,406.92/627.11
  6. Step 6: Final answer
    x = 479.04

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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.