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Finding the Fourth Proportional to 236.24, 351.89 and 233.40

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Solution

The fourth proportional to 236.24, 351.89 and 233.40 is: 347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.24 : 351.89 = 233.40 : x
  2. Step 2: Convert to fraction form
    236.24/351.89 = 233.40/x
  3. Step 3: Cross multiply
    236.24x = 351.89 × 233.40
  4. Step 4: Simplify right side
    236.24x = 82,131.13
  5. Step 5: Solve for x
    x = 82,131.13/236.24
  6. Step 6: Final answer
    x = 347.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.