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Finding the Fourth Proportional to 233.91, 350.72 and 97.05

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Solution

The fourth proportional to 233.91, 350.72 and 97.05 is: 145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.91 : 350.72 = 97.05 : x
  2. Step 2: Convert to fraction form
    233.91/350.72 = 97.05/x
  3. Step 3: Cross multiply
    233.91x = 350.72 × 97.05
  4. Step 4: Simplify right side
    233.91x = 34,037.38
  5. Step 5: Solve for x
    x = 34,037.38/233.91
  6. Step 6: Final answer
    x = 145.51

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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.