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Finding the Fourth Proportional to 233.66, 350.11 and 165.05

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Solution

The fourth proportional to 233.66, 350.11 and 165.05 is: 247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.66 : 350.11 = 165.05 : x
  2. Step 2: Convert to fraction form
    233.66/350.11 = 165.05/x
  3. Step 3: Cross multiply
    233.66x = 350.11 × 165.05
  4. Step 4: Simplify right side
    233.66x = 57,783.49
  5. Step 5: Solve for x
    x = 57,783.49/233.66
  6. Step 6: Final answer
    x = 247.29

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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.