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Finding the Fourth Proportional to 263.51, 362.64 and 240.22

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Solution

The fourth proportional to 263.51, 362.64 and 240.22 is: 330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.51 : 362.64 = 240.22 : x
  2. Step 2: Convert to fraction form
    263.51/362.64 = 240.22/x
  3. Step 3: Cross multiply
    263.51x = 362.64 × 240.22
  4. Step 4: Simplify right side
    263.51x = 87,113.38
  5. Step 5: Solve for x
    x = 87,113.38/263.51
  6. Step 6: Final answer
    x = 330.59

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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.