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Finding the Fourth Proportional to 274.71, 379.09 and 150.37

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Solution

The fourth proportional to 274.71, 379.09 and 150.37 is: 207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.71 : 379.09 = 150.37 : x
  2. Step 2: Convert to fraction form
    274.71/379.09 = 150.37/x
  3. Step 3: Cross multiply
    274.71x = 379.09 × 150.37
  4. Step 4: Simplify right side
    274.71x = 57,001.87
  5. Step 5: Solve for x
    x = 57,001.87/274.71
  6. Step 6: Final answer
    x = 207.50

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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.