Finding the Fourth Proportional to 227.21, 339.80 and 201.69
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Solution
The fourth proportional to 227.21, 339.80 and 201.69 is: 301.64
Step by Step Solution
- Step 1: Write the proportion equation
227.21 : 339.80 = 201.69 : x - Step 2: Convert to fraction form
227.21/339.80 = 201.69/x - Step 3: Cross multiply
227.21x = 339.80 × 201.69 - Step 4: Simplify right side
227.21x = 68,533.25 - Step 5: Solve for x
x = 68,533.25/227.21 - Step 6: Final answer
x = 301.64
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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.