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Finding the Fourth Proportional to 662.81, 994.26 and 175.85

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Solution

The fourth proportional to 662.81, 994.26 and 175.85 is: 263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.81 : 994.26 = 175.85 : x
  2. Step 2: Convert to fraction form
    662.81/994.26 = 175.85/x
  3. Step 3: Cross multiply
    662.81x = 994.26 × 175.85
  4. Step 4: Simplify right side
    662.81x = 174,843.11
  5. Step 5: Solve for x
    x = 174,843.11/662.81
  6. Step 6: Final answer
    x = 263.79

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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.