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Finding the Fourth Proportional to 584.20, 876.57 and 259.53

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Solution

The fourth proportional to 584.20, 876.57 and 259.53 is: 389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.20 : 876.57 = 259.53 : x
  2. Step 2: Convert to fraction form
    584.20/876.57 = 259.53/x
  3. Step 3: Cross multiply
    584.20x = 876.57 × 259.53
  4. Step 4: Simplify right side
    584.20x = 227,496.21
  5. Step 5: Solve for x
    x = 227,496.21/584.20
  6. Step 6: Final answer
    x = 389.41

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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.