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Finding the Fourth Proportional to 836.04, 1,252.98 and 579

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Solution

The fourth proportional to 836.04, 1,252.98 and 579 is: 867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.04 : 1,252.98 = 579 : x
  2. Step 2: Convert to fraction form
    836.04/1,252.98 = 579/x
  3. Step 3: Cross multiply
    836.04x = 1,252.98 × 579
  4. Step 4: Simplify right side
    836.04x = 725,475.42
  5. Step 5: Solve for x
    x = 725,475.42/836.04
  6. Step 6: Final answer
    x = 867.75

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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.