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Finding the Fourth Proportional to 235.35, 352.62 and 199.44

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Solution

The fourth proportional to 235.35, 352.62 and 199.44 is: 298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.35 : 352.62 = 199.44 : x
  2. Step 2: Convert to fraction form
    235.35/352.62 = 199.44/x
  3. Step 3: Cross multiply
    235.35x = 352.62 × 199.44
  4. Step 4: Simplify right side
    235.35x = 70,326.53
  5. Step 5: Solve for x
    x = 70,326.53/235.35
  6. Step 6: Final answer
    x = 298.82

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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.