Finding the Third Proportional to 227.81 and 356.91
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Solution
The third proportional to 227.81 and 356.91 is: 559.15
Step by Step Solution
- Step 1: Write the proportion equation
227.81 : 356.91 = 356.91 : x - Step 2: Convert to fraction form
227.81/356.91 = 356.91/x - Step 3: Cross multiply
227.81x = 356.91 × 356.91 - Step 4: Simplify right side
227.81x = 127,382.07 - Step 5: Solve for x
x = 127,382.07/227.81 - Step 6: Final answer
x = 559.15
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.