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Finding the Fourth Proportional to 233.84, 350.60 and 131.18

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Solution

The fourth proportional to 233.84, 350.60 and 131.18 is: 196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.84 : 350.60 = 131.18 : x
  2. Step 2: Convert to fraction form
    233.84/350.60 = 131.18/x
  3. Step 3: Cross multiply
    233.84x = 350.60 × 131.18
  4. Step 4: Simplify right side
    233.84x = 45,989.30
  5. Step 5: Solve for x
    x = 45,989.30/233.84
  6. Step 6: Final answer
    x = 196.67

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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.