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Finding the Fourth Proportional to 452.67, 679.01 and 163.95

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Solution

The fourth proportional to 452.67, 679.01 and 163.95 is: 245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.67 : 679.01 = 163.95 : x
  2. Step 2: Convert to fraction form
    452.67/679.01 = 163.95/x
  3. Step 3: Cross multiply
    452.67x = 679.01 × 163.95
  4. Step 4: Simplify right side
    452.67x = 111,322.87
  5. Step 5: Solve for x
    x = 111,322.87/452.67
  6. Step 6: Final answer
    x = 245.93

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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.