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Finding the Fourth Proportional to 547.07, 822.02 and 511.52

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Solution

The fourth proportional to 547.07, 822.02 and 511.52 is: 768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.07 : 822.02 = 511.52 : x
  2. Step 2: Convert to fraction form
    547.07/822.02 = 511.52/x
  3. Step 3: Cross multiply
    547.07x = 822.02 × 511.52
  4. Step 4: Simplify right side
    547.07x = 420,473.00
  5. Step 5: Solve for x
    x = 420,473.00/547.07
  6. Step 6: Final answer
    x = 768.60

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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.