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Finding the Fourth Proportional to 265.80, 366.92 and 167.57

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Solution

The fourth proportional to 265.80, 366.92 and 167.57 is: 231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.80 : 366.92 = 167.57 : x
  2. Step 2: Convert to fraction form
    265.80/366.92 = 167.57/x
  3. Step 3: Cross multiply
    265.80x = 366.92 × 167.57
  4. Step 4: Simplify right side
    265.80x = 61,482.11
  5. Step 5: Solve for x
    x = 61,482.11/265.80
  6. Step 6: Final answer
    x = 231.31

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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.