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Finding the Fourth Proportional to 546.73, 754.46 and 298.03

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Solution

The fourth proportional to 546.73, 754.46 and 298.03 is: 411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.73 : 754.46 = 298.03 : x
  2. Step 2: Convert to fraction form
    546.73/754.46 = 298.03/x
  3. Step 3: Cross multiply
    546.73x = 754.46 × 298.03
  4. Step 4: Simplify right side
    546.73x = 224,850.22
  5. Step 5: Solve for x
    x = 224,850.22/546.73
  6. Step 6: Final answer
    x = 411.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.