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Finding the Fourth Proportional to 550.13, 824.74 and 276.08

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Solution

The fourth proportional to 550.13, 824.74 and 276.08 is: 413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.13 : 824.74 = 276.08 : x
  2. Step 2: Convert to fraction form
    550.13/824.74 = 276.08/x
  3. Step 3: Cross multiply
    550.13x = 824.74 × 276.08
  4. Step 4: Simplify right side
    550.13x = 227,694.22
  5. Step 5: Solve for x
    x = 227,694.22/550.13
  6. Step 6: Final answer
    x = 413.89

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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.