Finding the Fourth Proportional to 352.24, 486.11 and 227.99
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Solution
The fourth proportional to 352.24, 486.11 and 227.99 is: 314.64
Step by Step Solution
- Step 1: Write the proportion equation
352.24 : 486.11 = 227.99 : x - Step 2: Convert to fraction form
352.24/486.11 = 227.99/x - Step 3: Cross multiply
352.24x = 486.11 × 227.99 - Step 4: Simplify right side
352.24x = 110,828.22 - Step 5: Solve for x
x = 110,828.22/352.24 - Step 6: Final answer
x = 314.64
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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.