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Finding the Fourth Proportional to 584.85, 876.98 and 276.78

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Solution

The fourth proportional to 584.85, 876.98 and 276.78 is: 415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.85 : 876.98 = 276.78 : x
  2. Step 2: Convert to fraction form
    584.85/876.98 = 276.78/x
  3. Step 3: Cross multiply
    584.85x = 876.98 × 276.78
  4. Step 4: Simplify right side
    584.85x = 242,729.14
  5. Step 5: Solve for x
    x = 242,729.14/584.85
  6. Step 6: Final answer
    x = 415.03

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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.