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Finding the Fourth Proportional to 233.97, 350.79 and 131.32

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Solution

The fourth proportional to 233.97, 350.79 and 131.32 is: 196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 350.79 = 131.32 : x
  2. Step 2: Convert to fraction form
    233.97/350.79 = 131.32/x
  3. Step 3: Cross multiply
    233.97x = 350.79 × 131.32
  4. Step 4: Simplify right side
    233.97x = 46,065.74
  5. Step 5: Solve for x
    x = 46,065.74/233.97
  6. Step 6: Final answer
    x = 196.89

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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.