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Finding the Fourth Proportional to 225.70, 336.31 and 201.14

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Solution

The fourth proportional to 225.70, 336.31 and 201.14 is: 299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.70 : 336.31 = 201.14 : x
  2. Step 2: Convert to fraction form
    225.70/336.31 = 201.14/x
  3. Step 3: Cross multiply
    225.70x = 336.31 × 201.14
  4. Step 4: Simplify right side
    225.70x = 67,642.71
  5. Step 5: Solve for x
    x = 67,642.71/225.70
  6. Step 6: Final answer
    x = 299.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.