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Finding the Fourth Proportional to 251.16, 346.24 and 177.24

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Solution

The fourth proportional to 251.16, 346.24 and 177.24 is: 244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.16 : 346.24 = 177.24 : x
  2. Step 2: Convert to fraction form
    251.16/346.24 = 177.24/x
  3. Step 3: Cross multiply
    251.16x = 346.24 × 177.24
  4. Step 4: Simplify right side
    251.16x = 61,367.58
  5. Step 5: Solve for x
    x = 61,367.58/251.16
  6. Step 6: Final answer
    x = 244.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.