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Finding the Fourth Proportional to 253.44, 378.36 and 244.44

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Solution

The fourth proportional to 253.44, 378.36 and 244.44 is: 364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.44 : 378.36 = 244.44 : x
  2. Step 2: Convert to fraction form
    253.44/378.36 = 244.44/x
  3. Step 3: Cross multiply
    253.44x = 378.36 × 244.44
  4. Step 4: Simplify right side
    253.44x = 92,486.32
  5. Step 5: Solve for x
    x = 92,486.32/253.44
  6. Step 6: Final answer
    x = 364.92

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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.