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Finding the Fourth Proportional to 235.93, 355.70 and 232.86

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Solution

The fourth proportional to 235.93, 355.70 and 232.86 is: 351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.93 : 355.70 = 232.86 : x
  2. Step 2: Convert to fraction form
    235.93/355.70 = 232.86/x
  3. Step 3: Cross multiply
    235.93x = 355.70 × 232.86
  4. Step 4: Simplify right side
    235.93x = 82,828.30
  5. Step 5: Solve for x
    x = 82,828.30/235.93
  6. Step 6: Final answer
    x = 351.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.