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Finding the Fourth Proportional to 548.73, 819.09 and 533.34

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Solution

The fourth proportional to 548.73, 819.09 and 533.34 is: 796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.73 : 819.09 = 533.34 : x
  2. Step 2: Convert to fraction form
    548.73/819.09 = 533.34/x
  3. Step 3: Cross multiply
    548.73x = 819.09 × 533.34
  4. Step 4: Simplify right side
    548.73x = 436,853.46
  5. Step 5: Solve for x
    x = 436,853.46/548.73
  6. Step 6: Final answer
    x = 796.12

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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.