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Finding the Fourth Proportional to 325.26, 448.44 and 266.19

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Solution

The fourth proportional to 325.26, 448.44 and 266.19 is: 366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.26 : 448.44 = 266.19 : x
  2. Step 2: Convert to fraction form
    325.26/448.44 = 266.19/x
  3. Step 3: Cross multiply
    325.26x = 448.44 × 266.19
  4. Step 4: Simplify right side
    325.26x = 119,367.56
  5. Step 5: Solve for x
    x = 119,367.56/325.26
  6. Step 6: Final answer
    x = 366.99

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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.