Finding the Fourth Proportional to 216.74, 324.99 and 95
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Solution
The fourth proportional to 216.74, 324.99 and 95 is: 142.45
Step by Step Solution
- Step 1: Write the proportion equation
216.74 : 324.99 = 95 : x - Step 2: Convert to fraction form
216.74/324.99 = 95/x - Step 3: Cross multiply
216.74x = 324.99 × 95 - Step 4: Simplify right side
216.74x = 30,874.05 - Step 5: Solve for x
x = 30,874.05/216.74 - Step 6: Final answer
x = 142.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.