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Finding the Fourth Proportional to 265.23, 396 and 248.83

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Solution

The fourth proportional to 265.23, 396 and 248.83 is: 371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.23 : 396 = 248.83 : x
  2. Step 2: Convert to fraction form
    265.23/396 = 248.83/x
  3. Step 3: Cross multiply
    265.23x = 396 × 248.83
  4. Step 4: Simplify right side
    265.23x = 98,535.69
  5. Step 5: Solve for x
    x = 98,535.69/265.23
  6. Step 6: Final answer
    x = 371.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.