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Finding the Fourth Proportional to 546.49, 754.24 and 325.46

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Solution

The fourth proportional to 546.49, 754.24 and 325.46 is: 449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.49 : 754.24 = 325.46 : x
  2. Step 2: Convert to fraction form
    546.49/754.24 = 325.46/x
  3. Step 3: Cross multiply
    546.49x = 754.24 × 325.46
  4. Step 4: Simplify right side
    546.49x = 245,476.02
  5. Step 5: Solve for x
    x = 245,476.02/546.49
  6. Step 6: Final answer
    x = 449.19

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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.