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Finding the Fourth Proportional to 559.26, 838.62 and 481.08

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Solution

The fourth proportional to 559.26, 838.62 and 481.08 is: 721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.26 : 838.62 = 481.08 : x
  2. Step 2: Convert to fraction form
    559.26/838.62 = 481.08/x
  3. Step 3: Cross multiply
    559.26x = 838.62 × 481.08
  4. Step 4: Simplify right side
    559.26x = 403,443.31
  5. Step 5: Solve for x
    x = 403,443.31/559.26
  6. Step 6: Final answer
    x = 721.39

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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.