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Finding the Fourth Proportional to 239.96, 357.53 and 224.25

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Solution

The fourth proportional to 239.96, 357.53 and 224.25 is: 334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.96 : 357.53 = 224.25 : x
  2. Step 2: Convert to fraction form
    239.96/357.53 = 224.25/x
  3. Step 3: Cross multiply
    239.96x = 357.53 × 224.25
  4. Step 4: Simplify right side
    239.96x = 80,176.10
  5. Step 5: Solve for x
    x = 80,176.10/239.96
  6. Step 6: Final answer
    x = 334.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.