Finding the Fourth Proportional to 182.70, 251.99 and 117.18
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Solution
The fourth proportional to 182.70, 251.99 and 117.18 is: 161.62
Step by Step Solution
- Step 1: Write the proportion equation
182.70 : 251.99 = 117.18 : x - Step 2: Convert to fraction form
182.70/251.99 = 117.18/x - Step 3: Cross multiply
182.70x = 251.99 × 117.18 - Step 4: Simplify right side
182.70x = 29,528.19 - Step 5: Solve for x
x = 29,528.19/182.70 - Step 6: Final answer
x = 161.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.