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Finding the Fourth Proportional to 544.57, 816.97 and 349.57

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Solution

The fourth proportional to 544.57, 816.97 and 349.57 is: 524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.57 : 816.97 = 349.57 : x
  2. Step 2: Convert to fraction form
    544.57/816.97 = 349.57/x
  3. Step 3: Cross multiply
    544.57x = 816.97 × 349.57
  4. Step 4: Simplify right side
    544.57x = 285,584.41
  5. Step 5: Solve for x
    x = 285,584.41/544.57
  6. Step 6: Final answer
    x = 524.42

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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.