Finding the Fourth Proportional to 324.26, 447.74 and 299.70
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Solution
The fourth proportional to 324.26, 447.74 and 299.70 is: 413.83
Step by Step Solution
- Step 1: Write the proportion equation
324.26 : 447.74 = 299.70 : x - Step 2: Convert to fraction form
324.26/447.74 = 299.70/x - Step 3: Cross multiply
324.26x = 447.74 × 299.70 - Step 4: Simplify right side
324.26x = 134,187.68 - Step 5: Solve for x
x = 134,187.68/324.26 - Step 6: Final answer
x = 413.83
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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.