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Finding the Fourth Proportional to 325.37, 449.06 and 214.85

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Solution

The fourth proportional to 325.37, 449.06 and 214.85 is: 296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.37 : 449.06 = 214.85 : x
  2. Step 2: Convert to fraction form
    325.37/449.06 = 214.85/x
  3. Step 3: Cross multiply
    325.37x = 449.06 × 214.85
  4. Step 4: Simplify right side
    325.37x = 96,480.59
  5. Step 5: Solve for x
    x = 96,480.59/325.37
  6. Step 6: Final answer
    x = 296.52

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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.