Finding the Fourth Proportional to 227.68, 343.19 and 207.17
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Solution
The fourth proportional to 227.68, 343.19 and 207.17 is: 312.28
Step by Step Solution
- Step 1: Write the proportion equation
227.68 : 343.19 = 207.17 : x - Step 2: Convert to fraction form
227.68/343.19 = 207.17/x - Step 3: Cross multiply
227.68x = 343.19 × 207.17 - Step 4: Simplify right side
227.68x = 71,099.53 - Step 5: Solve for x
x = 71,099.53/227.68 - Step 6: Final answer
x = 312.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.