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Finding the Fourth Proportional to 325.06, 448.17 and 214.33

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Solution

The fourth proportional to 325.06, 448.17 and 214.33 is: 295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.06 : 448.17 = 214.33 : x
  2. Step 2: Convert to fraction form
    325.06/448.17 = 214.33/x
  3. Step 3: Cross multiply
    325.06x = 448.17 × 214.33
  4. Step 4: Simplify right side
    325.06x = 96,056.28
  5. Step 5: Solve for x
    x = 96,056.28/325.06
  6. Step 6: Final answer
    x = 295.50

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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.