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Finding the Fourth Proportional to 546.09, 753.48 and 324.96

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Solution

The fourth proportional to 546.09, 753.48 and 324.96 is: 448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.09 : 753.48 = 324.96 : x
  2. Step 2: Convert to fraction form
    546.09/753.48 = 324.96/x
  3. Step 3: Cross multiply
    546.09x = 753.48 × 324.96
  4. Step 4: Simplify right side
    546.09x = 244,850.86
  5. Step 5: Solve for x
    x = 244,850.86/546.09
  6. Step 6: Final answer
    x = 448.37

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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.