Finding the Fourth Proportional to 201.08, 277.49 and 113.76
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Solution
The fourth proportional to 201.08, 277.49 and 113.76 is: 156.99
Step by Step Solution
- Step 1: Write the proportion equation
201.08 : 277.49 = 113.76 : x - Step 2: Convert to fraction form
201.08/277.49 = 113.76/x - Step 3: Cross multiply
201.08x = 277.49 × 113.76 - Step 4: Simplify right side
201.08x = 31,567.26 - Step 5: Solve for x
x = 31,567.26/201.08 - Step 6: Final answer
x = 156.99
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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.