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Finding the Fourth Proportional to 244.25, 337.07 and 140.77

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Solution

The fourth proportional to 244.25, 337.07 and 140.77 is: 194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.25 : 337.07 = 140.77 : x
  2. Step 2: Convert to fraction form
    244.25/337.07 = 140.77/x
  3. Step 3: Cross multiply
    244.25x = 337.07 × 140.77
  4. Step 4: Simplify right side
    244.25x = 47,448.64
  5. Step 5: Solve for x
    x = 47,448.64/244.25
  6. Step 6: Final answer
    x = 194.26

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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.