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Finding the Fourth Proportional to 732.82, 1,098.19 and 550.00

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Solution

The fourth proportional to 732.82, 1,098.19 and 550.00 is: 824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.82 : 1,098.19 = 550.00 : x
  2. Step 2: Convert to fraction form
    732.82/1,098.19 = 550.00/x
  3. Step 3: Cross multiply
    732.82x = 1,098.19 × 550.00
  4. Step 4: Simplify right side
    732.82x = 604,003.47
  5. Step 5: Solve for x
    x = 604,003.47/732.82
  6. Step 6: Final answer
    x = 824.22

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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.