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Finding the Fourth Proportional to 329.16, 454.27 and 181.82

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Solution

The fourth proportional to 329.16, 454.27 and 181.82 is: 250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.16 : 454.27 = 181.82 : x
  2. Step 2: Convert to fraction form
    329.16/454.27 = 181.82/x
  3. Step 3: Cross multiply
    329.16x = 454.27 × 181.82
  4. Step 4: Simplify right side
    329.16x = 82,595.37
  5. Step 5: Solve for x
    x = 82,595.37/329.16
  6. Step 6: Final answer
    x = 250.93

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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.