Finding the Fourth Proportional to 201.28, 277.62 and 149.08
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Solution
The fourth proportional to 201.28, 277.62 and 149.08 is: 205.62
Step by Step Solution
- Step 1: Write the proportion equation
201.28 : 277.62 = 149.08 : x - Step 2: Convert to fraction form
201.28/277.62 = 149.08/x - Step 3: Cross multiply
201.28x = 277.62 × 149.08 - Step 4: Simplify right side
201.28x = 41,387.59 - Step 5: Solve for x
x = 41,387.59/201.28 - Step 6: Final answer
x = 205.62
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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.