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Finding the Fourth Proportional to 546.34, 753.92 and 325.25

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Solution

The fourth proportional to 546.34, 753.92 and 325.25 is: 448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.34 : 753.92 = 325.25 : x
  2. Step 2: Convert to fraction form
    546.34/753.92 = 325.25/x
  3. Step 3: Cross multiply
    546.34x = 753.92 × 325.25
  4. Step 4: Simplify right side
    546.34x = 245,207.08
  5. Step 5: Solve for x
    x = 245,207.08/546.34
  6. Step 6: Final answer
    x = 448.82

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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.