Finding the Fourth Proportional to 227.18, 340.27 and 135.99
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Solution
The fourth proportional to 227.18, 340.27 and 135.99 is: 203.68
Step by Step Solution
- Step 1: Write the proportion equation
227.18 : 340.27 = 135.99 : x - Step 2: Convert to fraction form
227.18/340.27 = 135.99/x - Step 3: Cross multiply
227.18x = 340.27 × 135.99 - Step 4: Simplify right side
227.18x = 46,272.98 - Step 5: Solve for x
x = 46,272.98/227.18 - Step 6: Final answer
x = 203.68
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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.