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Finding the Fourth Proportional to 245.49, 337.93 and 201.07

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Solution

The fourth proportional to 245.49, 337.93 and 201.07 is: 276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.49 : 337.93 = 201.07 : x
  2. Step 2: Convert to fraction form
    245.49/337.93 = 201.07/x
  3. Step 3: Cross multiply
    245.49x = 337.93 × 201.07
  4. Step 4: Simplify right side
    245.49x = 67,947.59
  5. Step 5: Solve for x
    x = 67,947.59/245.49
  6. Step 6: Final answer
    x = 276.78

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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.