Finding the Fourth Proportional to 324.36, 447.62 and 176.99
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Solution
The fourth proportional to 324.36, 447.62 and 176.99 is: 244.25
Step by Step Solution
- Step 1: Write the proportion equation
324.36 : 447.62 = 176.99 : x - Step 2: Convert to fraction form
324.36/447.62 = 176.99/x - Step 3: Cross multiply
324.36x = 447.62 × 176.99 - Step 4: Simplify right side
324.36x = 79,223.38 - Step 5: Solve for x
x = 79,223.38/324.36 - Step 6: Final answer
x = 244.25
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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.