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Finding the Fourth Proportional to 244.56, 365.79 and 214.59

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Solution

The fourth proportional to 244.56, 365.79 and 214.59 is: 320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.56 : 365.79 = 214.59 : x
  2. Step 2: Convert to fraction form
    244.56/365.79 = 214.59/x
  3. Step 3: Cross multiply
    244.56x = 365.79 × 214.59
  4. Step 4: Simplify right side
    244.56x = 78,494.88
  5. Step 5: Solve for x
    x = 78,494.88/244.56
  6. Step 6: Final answer
    x = 320.96

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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.