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Finding the Fourth Proportional to 233.55, 349.52 and 191.93

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Solution

The fourth proportional to 233.55, 349.52 and 191.93 is: 287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.55 : 349.52 = 191.93 : x
  2. Step 2: Convert to fraction form
    233.55/349.52 = 191.93/x
  3. Step 3: Cross multiply
    233.55x = 349.52 × 191.93
  4. Step 4: Simplify right side
    233.55x = 67,083.37
  5. Step 5: Solve for x
    x = 67,083.37/233.55
  6. Step 6: Final answer
    x = 287.23

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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.