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Finding the Fourth Proportional to 233.96, 350.91 and 193.64

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Solution

The fourth proportional to 233.96, 350.91 and 193.64 is: 290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.96 : 350.91 = 193.64 : x
  2. Step 2: Convert to fraction form
    233.96/350.91 = 193.64/x
  3. Step 3: Cross multiply
    233.96x = 350.91 × 193.64
  4. Step 4: Simplify right side
    233.96x = 67,950.21
  5. Step 5: Solve for x
    x = 67,950.21/233.96
  6. Step 6: Final answer
    x = 290.44

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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.