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Finding the Fourth Proportional to 329.52, 451.59 and 325.23

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Solution

The fourth proportional to 329.52, 451.59 and 325.23 is: 445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.52 : 451.59 = 325.23 : x
  2. Step 2: Convert to fraction form
    329.52/451.59 = 325.23/x
  3. Step 3: Cross multiply
    329.52x = 451.59 × 325.23
  4. Step 4: Simplify right side
    329.52x = 146,870.62
  5. Step 5: Solve for x
    x = 146,870.62/329.52
  6. Step 6: Final answer
    x = 445.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.