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Finding the Fourth Proportional to 277.98, 383.46 and 167.34

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Solution

The fourth proportional to 277.98, 383.46 and 167.34 is: 230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.98 : 383.46 = 167.34 : x
  2. Step 2: Convert to fraction form
    277.98/383.46 = 167.34/x
  3. Step 3: Cross multiply
    277.98x = 383.46 × 167.34
  4. Step 4: Simplify right side
    277.98x = 64,168.20
  5. Step 5: Solve for x
    x = 64,168.20/277.98
  6. Step 6: Final answer
    x = 230.84

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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.