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Finding the Fourth Proportional to 233.10, 349.08 and 155.94

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Solution

The fourth proportional to 233.10, 349.08 and 155.94 is: 233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.10 : 349.08 = 155.94 : x
  2. Step 2: Convert to fraction form
    233.10/349.08 = 155.94/x
  3. Step 3: Cross multiply
    233.10x = 349.08 × 155.94
  4. Step 4: Simplify right side
    233.10x = 54,435.54
  5. Step 5: Solve for x
    x = 54,435.54/233.10
  6. Step 6: Final answer
    x = 233.53

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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.