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Finding the Fourth Proportional to 237.12, 354.86 and 233.48

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Solution

The fourth proportional to 237.12, 354.86 and 233.48 is: 349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.12 : 354.86 = 233.48 : x
  2. Step 2: Convert to fraction form
    237.12/354.86 = 233.48/x
  3. Step 3: Cross multiply
    237.12x = 354.86 × 233.48
  4. Step 4: Simplify right side
    237.12x = 82,852.71
  5. Step 5: Solve for x
    x = 82,852.71/237.12
  6. Step 6: Final answer
    x = 349.41

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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.