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Finding the Fourth Proportional to 550.94, 822.87 and 452.88

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Solution

The fourth proportional to 550.94, 822.87 and 452.88 is: 676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.94 : 822.87 = 452.88 : x
  2. Step 2: Convert to fraction form
    550.94/822.87 = 452.88/x
  3. Step 3: Cross multiply
    550.94x = 822.87 × 452.88
  4. Step 4: Simplify right side
    550.94x = 372,661.37
  5. Step 5: Solve for x
    x = 372,661.37/550.94
  6. Step 6: Final answer
    x = 676.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.