Finding the Fourth Proportional to 324.57, 447.99 and 224.99
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Solution
The fourth proportional to 324.57, 447.99 and 224.99 is: 310.55
Step by Step Solution
- Step 1: Write the proportion equation
324.57 : 447.99 = 224.99 : x - Step 2: Convert to fraction form
324.57/447.99 = 224.99/x - Step 3: Cross multiply
324.57x = 447.99 × 224.99 - Step 4: Simplify right side
324.57x = 100,794.39 - Step 5: Solve for x
x = 100,794.39/324.57 - Step 6: Final answer
x = 310.55
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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.