Finding the Fourth Proportional to 183.51, 252.99 and 144.63
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Solution
The fourth proportional to 183.51, 252.99 and 144.63 is: 199.39
Step by Step Solution
- Step 1: Write the proportion equation
183.51 : 252.99 = 144.63 : x - Step 2: Convert to fraction form
183.51/252.99 = 144.63/x - Step 3: Cross multiply
183.51x = 252.99 × 144.63 - Step 4: Simplify right side
183.51x = 36,589.94 - Step 5: Solve for x
x = 36,589.94/183.51 - Step 6: Final answer
x = 199.39
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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.