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Finding the Fourth Proportional to 544.71, 816.62 and 514.15

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Solution

The fourth proportional to 544.71, 816.62 and 514.15 is: 770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.71 : 816.62 = 514.15 : x
  2. Step 2: Convert to fraction form
    544.71/816.62 = 514.15/x
  3. Step 3: Cross multiply
    544.71x = 816.62 × 514.15
  4. Step 4: Simplify right side
    544.71x = 419,862.73
  5. Step 5: Solve for x
    x = 419,862.73/544.71
  6. Step 6: Final answer
    x = 770.80

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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.