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Finding the Fourth Proportional to 325.44, 448.61 and 232.02

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Solution

The fourth proportional to 325.44, 448.61 and 232.02 is: 319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.44 : 448.61 = 232.02 : x
  2. Step 2: Convert to fraction form
    325.44/448.61 = 232.02/x
  3. Step 3: Cross multiply
    325.44x = 448.61 × 232.02
  4. Step 4: Simplify right side
    325.44x = 104,085.33
  5. Step 5: Solve for x
    x = 104,085.33/325.44
  6. Step 6: Final answer
    x = 319.83

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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.