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Finding the Fourth Proportional to 233.01, 349.16 and 155.84

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Solution

The fourth proportional to 233.01, 349.16 and 155.84 is: 233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.01 : 349.16 = 155.84 : x
  2. Step 2: Convert to fraction form
    233.01/349.16 = 155.84/x
  3. Step 3: Cross multiply
    233.01x = 349.16 × 155.84
  4. Step 4: Simplify right side
    233.01x = 54,410.57
  5. Step 5: Solve for x
    x = 54,410.57/233.01
  6. Step 6: Final answer
    x = 233.51

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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.