Finding the Fourth Proportional to 343.93, 516.46 and 226.99
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Solution
The fourth proportional to 343.93, 516.46 and 226.99 is: 340.86
Step by Step Solution
- Step 1: Write the proportion equation
343.93 : 516.46 = 226.99 : x - Step 2: Convert to fraction form
343.93/516.46 = 226.99/x - Step 3: Cross multiply
343.93x = 516.46 × 226.99 - Step 4: Simplify right side
343.93x = 117,231.26 - Step 5: Solve for x
x = 117,231.26/343.93 - Step 6: Final answer
x = 340.86
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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.