Finding the Fourth Proportional to 227.28, 313.02 and 201.18
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Solution
The fourth proportional to 227.28, 313.02 and 201.18 is: 277.07
Step by Step Solution
- Step 1: Write the proportion equation
227.28 : 313.02 = 201.18 : x - Step 2: Convert to fraction form
227.28/313.02 = 201.18/x - Step 3: Cross multiply
227.28x = 313.02 × 201.18 - Step 4: Simplify right side
227.28x = 62,973.36 - Step 5: Solve for x
x = 62,973.36/227.28 - Step 6: Final answer
x = 277.07
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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.