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Finding the Fourth Proportional to 270.44, 403.79 and 244.94

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Solution

The fourth proportional to 270.44, 403.79 and 244.94 is: 365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.44 : 403.79 = 244.94 : x
  2. Step 2: Convert to fraction form
    270.44/403.79 = 244.94/x
  3. Step 3: Cross multiply
    270.44x = 403.79 × 244.94
  4. Step 4: Simplify right side
    270.44x = 98,904.32
  5. Step 5: Solve for x
    x = 98,904.32/270.44
  6. Step 6: Final answer
    x = 365.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.