Finding the Fourth Proportional to 201.74, 277.95 and 132.62
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Solution
The fourth proportional to 201.74, 277.95 and 132.62 is: 182.72
Step by Step Solution
- Step 1: Write the proportion equation
201.74 : 277.95 = 132.62 : x - Step 2: Convert to fraction form
201.74/277.95 = 132.62/x - Step 3: Cross multiply
201.74x = 277.95 × 132.62 - Step 4: Simplify right side
201.74x = 36,861.73 - Step 5: Solve for x
x = 36,861.73/201.74 - Step 6: Final answer
x = 182.72
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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.