Finding the Fourth Proportional to 343.10, 515.42 and 296.99
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Solution
The fourth proportional to 343.10, 515.42 and 296.99 is: 446.15
Step by Step Solution
- Step 1: Write the proportion equation
343.10 : 515.42 = 296.99 : x - Step 2: Convert to fraction form
343.10/515.42 = 296.99/x - Step 3: Cross multiply
343.10x = 515.42 × 296.99 - Step 4: Simplify right side
343.10x = 153,070.52 - Step 5: Solve for x
x = 153,070.52/343.10 - Step 6: Final answer
x = 446.15
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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.