Finding the Fourth Proportional to 227.36, 313.44 and 177.92
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Solution
The fourth proportional to 227.36, 313.44 and 177.92 is: 245.28
Step by Step Solution
- Step 1: Write the proportion equation
227.36 : 313.44 = 177.92 : x - Step 2: Convert to fraction form
227.36/313.44 = 177.92/x - Step 3: Cross multiply
227.36x = 313.44 × 177.92 - Step 4: Simplify right side
227.36x = 55,767.24 - Step 5: Solve for x
x = 55,767.24/227.36 - Step 6: Final answer
x = 245.28
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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.