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Finding the Fourth Proportional to 251.37, 377.16 and 160.24

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Solution

The fourth proportional to 251.37, 377.16 and 160.24 is: 240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.37 : 377.16 = 160.24 : x
  2. Step 2: Convert to fraction form
    251.37/377.16 = 160.24/x
  3. Step 3: Cross multiply
    251.37x = 377.16 × 160.24
  4. Step 4: Simplify right side
    251.37x = 60,436.12
  5. Step 5: Solve for x
    x = 60,436.12/251.37
  6. Step 6: Final answer
    x = 240.43

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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.