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Finding the Fourth Proportional to 550.24, 826.80 and 541.60

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Solution

The fourth proportional to 550.24, 826.80 and 541.60 is: 813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.24 : 826.80 = 541.60 : x
  2. Step 2: Convert to fraction form
    550.24/826.80 = 541.60/x
  3. Step 3: Cross multiply
    550.24x = 826.80 × 541.60
  4. Step 4: Simplify right side
    550.24x = 447,794.88
  5. Step 5: Solve for x
    x = 447,794.88/550.24
  6. Step 6: Final answer
    x = 813.82

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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.