Finding the Fourth Proportional to 183.26, 274.94 and 91.99
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Solution
The fourth proportional to 183.26, 274.94 and 91.99 is: 138.00
Step by Step Solution
- Step 1: Write the proportion equation
183.26 : 274.94 = 91.99 : x - Step 2: Convert to fraction form
183.26/274.94 = 91.99/x - Step 3: Cross multiply
183.26x = 274.94 × 91.99 - Step 4: Simplify right side
183.26x = 25,290.93 - Step 5: Solve for x
x = 25,290.93/183.26 - Step 6: Final answer
x = 138.00
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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.