Finding the Fourth Proportional to 349.26, 523.44 and 227.28
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Solution
The fourth proportional to 349.26, 523.44 and 227.28 is: 340.63
Step by Step Solution
- Step 1: Write the proportion equation
349.26 : 523.44 = 227.28 : x - Step 2: Convert to fraction form
349.26/523.44 = 227.28/x - Step 3: Cross multiply
349.26x = 523.44 × 227.28 - Step 4: Simplify right side
349.26x = 118,967.44 - Step 5: Solve for x
x = 118,967.44/349.26 - Step 6: Final answer
x = 340.63
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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.