Finding the Fourth Proportional to 324.02, 447.19 and 213.99
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Solution
The fourth proportional to 324.02, 447.19 and 213.99 is: 295.33
Step by Step Solution
- Step 1: Write the proportion equation
324.02 : 447.19 = 213.99 : x - Step 2: Convert to fraction form
324.02/447.19 = 213.99/x - Step 3: Cross multiply
324.02x = 447.19 × 213.99 - Step 4: Simplify right side
324.02x = 95,694.19 - Step 5: Solve for x
x = 95,694.19/324.02 - Step 6: Final answer
x = 295.33
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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.