Finding the Fourth Proportional to 183.96, 276.19 and 115.28
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Solution
The fourth proportional to 183.96, 276.19 and 115.28 is: 173.08
Step by Step Solution
- Step 1: Write the proportion equation
183.96 : 276.19 = 115.28 : x - Step 2: Convert to fraction form
183.96/276.19 = 115.28/x - Step 3: Cross multiply
183.96x = 276.19 × 115.28 - Step 4: Simplify right side
183.96x = 31,839.18 - Step 5: Solve for x
x = 31,839.18/183.96 - Step 6: Final answer
x = 173.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.