Finding the Fourth Proportional to 226.19, 312.26 and 177.39
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Solution
The fourth proportional to 226.19, 312.26 and 177.39 is: 244.88
Step by Step Solution
- Step 1: Write the proportion equation
226.19 : 312.26 = 177.39 : x - Step 2: Convert to fraction form
226.19/312.26 = 177.39/x - Step 3: Cross multiply
226.19x = 312.26 × 177.39 - Step 4: Simplify right side
226.19x = 55,390.91 - Step 5: Solve for x
x = 55,390.91/226.19 - Step 6: Final answer
x = 244.88
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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.