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Finding the Fourth Proportional to 236.94, 357.20 and 233.86

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Solution

The fourth proportional to 236.94, 357.20 and 233.86 is: 352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.94 : 357.20 = 233.86 : x
  2. Step 2: Convert to fraction form
    236.94/357.20 = 233.86/x
  3. Step 3: Cross multiply
    236.94x = 357.20 × 233.86
  4. Step 4: Simplify right side
    236.94x = 83,534.79
  5. Step 5: Solve for x
    x = 83,534.79/236.94
  6. Step 6: Final answer
    x = 352.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.