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Finding the Fourth Proportional to 550.22, 759.09 and 363.82

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Solution

The fourth proportional to 550.22, 759.09 and 363.82 is: 501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.22 : 759.09 = 363.82 : x
  2. Step 2: Convert to fraction form
    550.22/759.09 = 363.82/x
  3. Step 3: Cross multiply
    550.22x = 759.09 × 363.82
  4. Step 4: Simplify right side
    550.22x = 276,172.12
  5. Step 5: Solve for x
    x = 276,172.12/550.22
  6. Step 6: Final answer
    x = 501.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.