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Finding the Fourth Proportional to 559.26, 833.31 and 553.86

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Solution

The fourth proportional to 559.26, 833.31 and 553.86 is: 825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.26 : 833.31 = 553.86 : x
  2. Step 2: Convert to fraction form
    559.26/833.31 = 553.86/x
  3. Step 3: Cross multiply
    559.26x = 833.31 × 553.86
  4. Step 4: Simplify right side
    559.26x = 461,537.08
  5. Step 5: Solve for x
    x = 461,537.08/559.26
  6. Step 6: Final answer
    x = 825.26

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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.