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Finding the Fourth Proportional to 265.47, 366.23 and 167.28

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Solution

The fourth proportional to 265.47, 366.23 and 167.28 is: 230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.47 : 366.23 = 167.28 : x
  2. Step 2: Convert to fraction form
    265.47/366.23 = 167.28/x
  3. Step 3: Cross multiply
    265.47x = 366.23 × 167.28
  4. Step 4: Simplify right side
    265.47x = 61,262.12
  5. Step 5: Solve for x
    x = 61,262.12/265.47
  6. Step 6: Final answer
    x = 230.77

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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.