Finding the Fourth Proportional to 342.99, 513.62 and 227.09
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Solution
The fourth proportional to 342.99, 513.62 and 227.09 is: 340.05
Step by Step Solution
- Step 1: Write the proportion equation
342.99 : 513.62 = 227.09 : x - Step 2: Convert to fraction form
342.99/513.62 = 227.09/x - Step 3: Cross multiply
342.99x = 513.62 × 227.09 - Step 4: Simplify right side
342.99x = 116,634.26 - Step 5: Solve for x
x = 116,634.26/342.99 - Step 6: Final answer
x = 340.05
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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.