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Finding the Fourth Proportional to 244.07, 336.38 and 202.40

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Solution

The fourth proportional to 244.07, 336.38 and 202.40 is: 278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.07 : 336.38 = 202.40 : x
  2. Step 2: Convert to fraction form
    244.07/336.38 = 202.40/x
  3. Step 3: Cross multiply
    244.07x = 336.38 × 202.40
  4. Step 4: Simplify right side
    244.07x = 68,080.62
  5. Step 5: Solve for x
    x = 68,080.62/244.07
  6. Step 6: Final answer
    x = 278.94

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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.