Finding the Fourth Proportional to 226.29, 312.31 and 132.99
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Solution
The fourth proportional to 226.29, 312.31 and 132.99 is: 183.54
Step by Step Solution
- Step 1: Write the proportion equation
226.29 : 312.31 = 132.99 : x - Step 2: Convert to fraction form
226.29/312.31 = 132.99/x - Step 3: Cross multiply
226.29x = 312.31 × 132.99 - Step 4: Simplify right side
226.29x = 41,534.11 - Step 5: Solve for x
x = 41,534.11/226.29 - Step 6: Final answer
x = 183.54
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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.