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Finding the Fourth Proportional to 265.94, 367.12 and 167.84

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Solution

The fourth proportional to 265.94, 367.12 and 167.84 is: 231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.94 : 367.12 = 167.84 : x
  2. Step 2: Convert to fraction form
    265.94/367.12 = 167.84/x
  3. Step 3: Cross multiply
    265.94x = 367.12 × 167.84
  4. Step 4: Simplify right side
    265.94x = 61,617.42
  5. Step 5: Solve for x
    x = 61,617.42/265.94
  6. Step 6: Final answer
    x = 231.70

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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.