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Finding the Fourth Proportional to 550.11, 825.10 and 276.15

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Solution

The fourth proportional to 550.11, 825.10 and 276.15 is: 414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.11 : 825.10 = 276.15 : x
  2. Step 2: Convert to fraction form
    550.11/825.10 = 276.15/x
  3. Step 3: Cross multiply
    550.11x = 825.10 × 276.15
  4. Step 4: Simplify right side
    550.11x = 227,851.37
  5. Step 5: Solve for x
    x = 227,851.37/550.11
  6. Step 6: Final answer
    x = 414.19

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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.