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Finding the Fourth Proportional to 233.46, 350.86 and 231.02

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Solution

The fourth proportional to 233.46, 350.86 and 231.02 is: 347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.46 : 350.86 = 231.02 : x
  2. Step 2: Convert to fraction form
    233.46/350.86 = 231.02/x
  3. Step 3: Cross multiply
    233.46x = 350.86 × 231.02
  4. Step 4: Simplify right side
    233.46x = 81,055.68
  5. Step 5: Solve for x
    x = 81,055.68/233.46
  6. Step 6: Final answer
    x = 347.19

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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.