Finding the Fourth Proportional to 201.07, 277.51 and 113.74
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Solution
The fourth proportional to 201.07, 277.51 and 113.74 is: 156.98
Step by Step Solution
- Step 1: Write the proportion equation
201.07 : 277.51 = 113.74 : x - Step 2: Convert to fraction form
201.07/277.51 = 113.74/x - Step 3: Cross multiply
201.07x = 277.51 × 113.74 - Step 4: Simplify right side
201.07x = 31,563.99 - Step 5: Solve for x
x = 31,563.99/201.07 - Step 6: Final answer
x = 156.98
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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.