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Finding the Fourth Proportional to 244.14, 336.96 and 145.92

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Solution

The fourth proportional to 244.14, 336.96 and 145.92 is: 201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.14 : 336.96 = 145.92 : x
  2. Step 2: Convert to fraction form
    244.14/336.96 = 145.92/x
  3. Step 3: Cross multiply
    244.14x = 336.96 × 145.92
  4. Step 4: Simplify right side
    244.14x = 49,169.20
  5. Step 5: Solve for x
    x = 49,169.20/244.14
  6. Step 6: Final answer
    x = 201.40

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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.