Finding the Fourth Proportional to 227.96, 341.86 and 91.02
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Solution
The fourth proportional to 227.96, 341.86 and 91.02 is: 136.50
Step by Step Solution
- Step 1: Write the proportion equation
227.96 : 341.86 = 91.02 : x - Step 2: Convert to fraction form
227.96/341.86 = 91.02/x - Step 3: Cross multiply
227.96x = 341.86 × 91.02 - Step 4: Simplify right side
227.96x = 31,116.10 - Step 5: Solve for x
x = 31,116.10/227.96 - Step 6: Final answer
x = 136.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.