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Finding the Fourth Proportional to 263.94, 364.16 and 151.88

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Solution

The fourth proportional to 263.94, 364.16 and 151.88 is: 209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.94 : 364.16 = 151.88 : x
  2. Step 2: Convert to fraction form
    263.94/364.16 = 151.88/x
  3. Step 3: Cross multiply
    263.94x = 364.16 × 151.88
  4. Step 4: Simplify right side
    263.94x = 55,306.80
  5. Step 5: Solve for x
    x = 55,306.80/263.94
  6. Step 6: Final answer
    x = 209.54

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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.