Finding the Fourth Proportional to 201.05, 277.68 and 135.44
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Solution
The fourth proportional to 201.05, 277.68 and 135.44 is: 187.06
Step by Step Solution
- Step 1: Write the proportion equation
201.05 : 277.68 = 135.44 : x - Step 2: Convert to fraction form
201.05/277.68 = 135.44/x - Step 3: Cross multiply
201.05x = 277.68 × 135.44 - Step 4: Simplify right side
201.05x = 37,608.98 - Step 5: Solve for x
x = 37,608.98/201.05 - Step 6: Final answer
x = 187.06
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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.