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Finding the Fourth Proportional to 329.90, 455.24 and 182.54

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Solution

The fourth proportional to 329.90, 455.24 and 182.54 is: 251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.90 : 455.24 = 182.54 : x
  2. Step 2: Convert to fraction form
    329.90/455.24 = 182.54/x
  3. Step 3: Cross multiply
    329.90x = 455.24 × 182.54
  4. Step 4: Simplify right side
    329.90x = 83,096.32
  5. Step 5: Solve for x
    x = 83,096.32/329.90
  6. Step 6: Final answer
    x = 251.89

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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.