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Finding the Fourth Proportional to 544.36, 810.99 and 517.70

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Solution

The fourth proportional to 544.36, 810.99 and 517.70 is: 771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.36 : 810.99 = 517.70 : x
  2. Step 2: Convert to fraction form
    544.36/810.99 = 517.70/x
  3. Step 3: Cross multiply
    544.36x = 810.99 × 517.70
  4. Step 4: Simplify right side
    544.36x = 419,849.52
  5. Step 5: Solve for x
    x = 419,849.52/544.36
  6. Step 6: Final answer
    x = 771.27

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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.