Finding the Fourth Proportional to 201.23, 277.60 and 135.75
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Solution
The fourth proportional to 201.23, 277.60 and 135.75 is: 187.27
Step by Step Solution
- Step 1: Write the proportion equation
201.23 : 277.60 = 135.75 : x - Step 2: Convert to fraction form
201.23/277.60 = 135.75/x - Step 3: Cross multiply
201.23x = 277.60 × 135.75 - Step 4: Simplify right side
201.23x = 37,684.20 - Step 5: Solve for x
x = 37,684.20/201.23 - Step 6: Final answer
x = 187.27
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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.