Finding the Fourth Proportional to 216.97, 299.08 and 170.23
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Solution
The fourth proportional to 216.97, 299.08 and 170.23 is: 234.65
Step by Step Solution
- Step 1: Write the proportion equation
216.97 : 299.08 = 170.23 : x - Step 2: Convert to fraction form
216.97/299.08 = 170.23/x - Step 3: Cross multiply
216.97x = 299.08 × 170.23 - Step 4: Simplify right side
216.97x = 50,912.39 - Step 5: Solve for x
x = 50,912.39/216.97 - Step 6: Final answer
x = 234.65
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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.