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Finding the Fourth Proportional to 249.01, 373.74 and 133.59

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Solution

The fourth proportional to 249.01, 373.74 and 133.59 is: 200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.01 : 373.74 = 133.59 : x
  2. Step 2: Convert to fraction form
    249.01/373.74 = 133.59/x
  3. Step 3: Cross multiply
    249.01x = 373.74 × 133.59
  4. Step 4: Simplify right side
    249.01x = 49,927.93
  5. Step 5: Solve for x
    x = 49,927.93/249.01
  6. Step 6: Final answer
    x = 200.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.