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Finding the Fourth Proportional to 239.44, 359.16 and 196.06

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Solution

The fourth proportional to 239.44, 359.16 and 196.06 is: 294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.44 : 359.16 = 196.06 : x
  2. Step 2: Convert to fraction form
    239.44/359.16 = 196.06/x
  3. Step 3: Cross multiply
    239.44x = 359.16 × 196.06
  4. Step 4: Simplify right side
    239.44x = 70,416.91
  5. Step 5: Solve for x
    x = 70,416.91/239.44
  6. Step 6: Final answer
    x = 294.09

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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.