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Finding the Fourth Proportional to 253.38, 377.49 and 244.68

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Solution

The fourth proportional to 253.38, 377.49 and 244.68 is: 364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.38 : 377.49 = 244.68 : x
  2. Step 2: Convert to fraction form
    253.38/377.49 = 244.68/x
  3. Step 3: Cross multiply
    253.38x = 377.49 × 244.68
  4. Step 4: Simplify right side
    253.38x = 92,364.25
  5. Step 5: Solve for x
    x = 92,364.25/253.38
  6. Step 6: Final answer
    x = 364.53

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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.