Finding the Fourth Proportional to 343.57, 515.34 and 227.99
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Solution
The fourth proportional to 343.57, 515.34 and 227.99 is: 341.98
Step by Step Solution
- Step 1: Write the proportion equation
343.57 : 515.34 = 227.99 : x - Step 2: Convert to fraction form
343.57/515.34 = 227.99/x - Step 3: Cross multiply
343.57x = 515.34 × 227.99 - Step 4: Simplify right side
343.57x = 117,492.37 - Step 5: Solve for x
x = 117,492.37/343.57 - Step 6: Final answer
x = 341.98
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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.