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Finding the Fourth Proportional to 263.66, 395.44 and 160.58

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Solution

The fourth proportional to 263.66, 395.44 and 160.58 is: 240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.66 : 395.44 = 160.58 : x
  2. Step 2: Convert to fraction form
    263.66/395.44 = 160.58/x
  3. Step 3: Cross multiply
    263.66x = 395.44 × 160.58
  4. Step 4: Simplify right side
    263.66x = 63,499.76
  5. Step 5: Solve for x
    x = 63,499.76/263.66
  6. Step 6: Final answer
    x = 240.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.