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Finding the Fourth Proportional to 235.66, 353.83 and 195.34

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Solution

The fourth proportional to 235.66, 353.83 and 195.34 is: 293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.66 : 353.83 = 195.34 : x
  2. Step 2: Convert to fraction form
    235.66/353.83 = 195.34/x
  3. Step 3: Cross multiply
    235.66x = 353.83 × 195.34
  4. Step 4: Simplify right side
    235.66x = 69,117.15
  5. Step 5: Solve for x
    x = 69,117.15/235.66
  6. Step 6: Final answer
    x = 293.29

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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.