Finding the Fourth Proportional to 182.91, 274.35 and 80.19
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Solution
The fourth proportional to 182.91, 274.35 and 80.19 is: 120.28
Step by Step Solution
- Step 1: Write the proportion equation
182.91 : 274.35 = 80.19 : x - Step 2: Convert to fraction form
182.91/274.35 = 80.19/x - Step 3: Cross multiply
182.91x = 274.35 × 80.19 - Step 4: Simplify right side
182.91x = 22,000.13 - Step 5: Solve for x
x = 22,000.13/182.91 - Step 6: Final answer
x = 120.28
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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.