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Finding the Fourth Proportional to 544.56, 811.34 and 517.02

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Solution

The fourth proportional to 544.56, 811.34 and 517.02 is: 770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.56 : 811.34 = 517.02 : x
  2. Step 2: Convert to fraction form
    544.56/811.34 = 517.02/x
  3. Step 3: Cross multiply
    544.56x = 811.34 × 517.02
  4. Step 4: Simplify right side
    544.56x = 419,476.42
  5. Step 5: Solve for x
    x = 419,476.42/544.56
  6. Step 6: Final answer
    x = 770.30

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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.