Finding the Fourth Proportional to 272.88, 376.44 and 199.08
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Solution
The fourth proportional to 272.88, 376.44 and 199.08 is: 274.63
Step by Step Solution
- Step 1: Write the proportion equation
272.88 : 376.44 = 199.08 : x - Step 2: Convert to fraction form
272.88/376.44 = 199.08/x - Step 3: Cross multiply
272.88x = 376.44 × 199.08 - Step 4: Simplify right side
272.88x = 74,941.68 - Step 5: Solve for x
x = 74,941.68/272.88 - Step 6: Final answer
x = 274.63
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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.