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Finding the Fourth Proportional to 233.72, 350.61 and 230.01

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Solution

The fourth proportional to 233.72, 350.61 and 230.01 is: 345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.72 : 350.61 = 230.01 : x
  2. Step 2: Convert to fraction form
    233.72/350.61 = 230.01/x
  3. Step 3: Cross multiply
    233.72x = 350.61 × 230.01
  4. Step 4: Simplify right side
    233.72x = 80,642.66
  5. Step 5: Solve for x
    x = 80,642.66/233.72
  6. Step 6: Final answer
    x = 345.05

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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.