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Finding the Fourth Proportional to 546.03, 753.21 and 325.05

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Solution

The fourth proportional to 546.03, 753.21 and 325.05 is: 448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.03 : 753.21 = 325.05 : x
  2. Step 2: Convert to fraction form
    546.03/753.21 = 325.05/x
  3. Step 3: Cross multiply
    546.03x = 753.21 × 325.05
  4. Step 4: Simplify right side
    546.03x = 244,830.91
  5. Step 5: Solve for x
    x = 244,830.91/546.03
  6. Step 6: Final answer
    x = 448.38

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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.