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Finding the Fourth Proportional to 235.18, 352.50 and 194.17

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Solution

The fourth proportional to 235.18, 352.50 and 194.17 is: 291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.18 : 352.50 = 194.17 : x
  2. Step 2: Convert to fraction form
    235.18/352.50 = 194.17/x
  3. Step 3: Cross multiply
    235.18x = 352.50 × 194.17
  4. Step 4: Simplify right side
    235.18x = 68,446.06
  5. Step 5: Solve for x
    x = 68,446.06/235.18
  6. Step 6: Final answer
    x = 291.04

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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.