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Finding the Fourth Proportional to 327.44, 491.34 and 183.24

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Solution

The fourth proportional to 327.44, 491.34 and 183.24 is: 274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.44 : 491.34 = 183.24 : x
  2. Step 2: Convert to fraction form
    327.44/491.34 = 183.24/x
  3. Step 3: Cross multiply
    327.44x = 491.34 × 183.24
  4. Step 4: Simplify right side
    327.44x = 90,033.14
  5. Step 5: Solve for x
    x = 90,033.14/327.44
  6. Step 6: Final answer
    x = 274.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.