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Finding the Fourth Proportional to 629.24, 939.24 and 584.19

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Solution

The fourth proportional to 629.24, 939.24 and 584.19 is: 872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.24 : 939.24 = 584.19 : x
  2. Step 2: Convert to fraction form
    629.24/939.24 = 584.19/x
  3. Step 3: Cross multiply
    629.24x = 939.24 × 584.19
  4. Step 4: Simplify right side
    629.24x = 548,694.62
  5. Step 5: Solve for x
    x = 548,694.62/629.24
  6. Step 6: Final answer
    x = 872.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.