Finding the Fourth Proportional to 343.18, 472.99 and 232.61
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Solution
The fourth proportional to 343.18, 472.99 and 232.61 is: 320.60
Step by Step Solution
- Step 1: Write the proportion equation
343.18 : 472.99 = 232.61 : x - Step 2: Convert to fraction form
343.18/472.99 = 232.61/x - Step 3: Cross multiply
343.18x = 472.99 × 232.61 - Step 4: Simplify right side
343.18x = 110,021.04 - Step 5: Solve for x
x = 110,021.04/343.18 - Step 6: Final answer
x = 320.60
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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.