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Finding the Fourth Proportional to 233.27, 350 and 130.40

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Solution

The fourth proportional to 233.27, 350 and 130.40 is: 195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.27 : 350 = 130.40 : x
  2. Step 2: Convert to fraction form
    233.27/350 = 130.40/x
  3. Step 3: Cross multiply
    233.27x = 350 × 130.40
  4. Step 4: Simplify right side
    233.27x = 45,640
  5. Step 5: Solve for x
    x = 45,640/233.27
  6. Step 6: Final answer
    x = 195.65

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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.