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Finding the Fourth Proportional to 544.97, 817.66 and 252.45

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Solution

The fourth proportional to 544.97, 817.66 and 252.45 is: 378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.97 : 817.66 = 252.45 : x
  2. Step 2: Convert to fraction form
    544.97/817.66 = 252.45/x
  3. Step 3: Cross multiply
    544.97x = 817.66 × 252.45
  4. Step 4: Simplify right side
    544.97x = 206,418.27
  5. Step 5: Solve for x
    x = 206,418.27/544.97
  6. Step 6: Final answer
    x = 378.77

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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.