Finding the Fourth Proportional to 343.26, 515.16 and 180.99
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Solution
The fourth proportional to 343.26, 515.16 and 180.99 is: 271.63
Step by Step Solution
- Step 1: Write the proportion equation
343.26 : 515.16 = 180.99 : x - Step 2: Convert to fraction form
343.26/515.16 = 180.99/x - Step 3: Cross multiply
343.26x = 515.16 × 180.99 - Step 4: Simplify right side
343.26x = 93,238.81 - Step 5: Solve for x
x = 93,238.81/343.26 - Step 6: Final answer
x = 271.63
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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.