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Finding the Fourth Proportional to 329.83, 455.11 and 182.44

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Solution

The fourth proportional to 329.83, 455.11 and 182.44 is: 251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.83 : 455.11 = 182.44 : x
  2. Step 2: Convert to fraction form
    329.83/455.11 = 182.44/x
  3. Step 3: Cross multiply
    329.83x = 455.11 × 182.44
  4. Step 4: Simplify right side
    329.83x = 83,030.27
  5. Step 5: Solve for x
    x = 83,030.27/329.83
  6. Step 6: Final answer
    x = 251.74

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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.