Finding the Fourth Proportional to 166.19, 229.26 and 116.99
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Solution
The fourth proportional to 166.19, 229.26 and 116.99 is: 161.39
Step by Step Solution
- Step 1: Write the proportion equation
166.19 : 229.26 = 116.99 : x - Step 2: Convert to fraction form
166.19/229.26 = 116.99/x - Step 3: Cross multiply
166.19x = 229.26 × 116.99 - Step 4: Simplify right side
166.19x = 26,821.13 - Step 5: Solve for x
x = 26,821.13/166.19 - Step 6: Final answer
x = 161.39
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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.