Finding the Fourth Proportional to 182.39, 251.73 and 126.99
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Solution
The fourth proportional to 182.39, 251.73 and 126.99 is: 175.27
Step by Step Solution
- Step 1: Write the proportion equation
182.39 : 251.73 = 126.99 : x - Step 2: Convert to fraction form
182.39/251.73 = 126.99/x - Step 3: Cross multiply
182.39x = 251.73 × 126.99 - Step 4: Simplify right side
182.39x = 31,967.19 - Step 5: Solve for x
x = 31,967.19/182.39 - Step 6: Final answer
x = 175.27
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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.