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Finding the Fourth Proportional to 546.98, 755.05 and 325.88

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Solution

The fourth proportional to 546.98, 755.05 and 325.88 is: 449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.98 : 755.05 = 325.88 : x
  2. Step 2: Convert to fraction form
    546.98/755.05 = 325.88/x
  3. Step 3: Cross multiply
    546.98x = 755.05 × 325.88
  4. Step 4: Simplify right side
    546.98x = 246,055.69
  5. Step 5: Solve for x
    x = 246,055.69/546.98
  6. Step 6: Final answer
    x = 449.84

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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.