Finding the Fourth Proportional to 343.26, 473.75 and 195.91
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Solution
The fourth proportional to 343.26, 473.75 and 195.91 is: 270.39
Step by Step Solution
- Step 1: Write the proportion equation
343.26 : 473.75 = 195.91 : x - Step 2: Convert to fraction form
343.26/473.75 = 195.91/x - Step 3: Cross multiply
343.26x = 473.75 × 195.91 - Step 4: Simplify right side
343.26x = 92,812.36 - Step 5: Solve for x
x = 92,812.36/343.26 - Step 6: Final answer
x = 270.39
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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.