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Finding the Fourth Proportional to 329.47, 454.65 and 182.08

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Solution

The fourth proportional to 329.47, 454.65 and 182.08 is: 251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.47 : 454.65 = 182.08 : x
  2. Step 2: Convert to fraction form
    329.47/454.65 = 182.08/x
  3. Step 3: Cross multiply
    329.47x = 454.65 × 182.08
  4. Step 4: Simplify right side
    329.47x = 82,782.56
  5. Step 5: Solve for x
    x = 82,782.56/329.47
  6. Step 6: Final answer
    x = 251.26

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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.