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Finding the Fourth Proportional to 244.99, 338.10 and 140.08

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Solution

The fourth proportional to 244.99, 338.10 and 140.08 is: 193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.99 : 338.10 = 140.08 : x
  2. Step 2: Convert to fraction form
    244.99/338.10 = 140.08/x
  3. Step 3: Cross multiply
    244.99x = 338.10 × 140.08
  4. Step 4: Simplify right side
    244.99x = 47,361.05
  5. Step 5: Solve for x
    x = 47,361.05/244.99
  6. Step 6: Final answer
    x = 193.32

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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.