Finding the Fourth Proportional to 201.06, 277.45 and 113.74
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Solution
The fourth proportional to 201.06, 277.45 and 113.74 is: 156.95
Step by Step Solution
- Step 1: Write the proportion equation
201.06 : 277.45 = 113.74 : x - Step 2: Convert to fraction form
201.06/277.45 = 113.74/x - Step 3: Cross multiply
201.06x = 277.45 × 113.74 - Step 4: Simplify right side
201.06x = 31,556.19 - Step 5: Solve for x
x = 31,556.19/201.06 - Step 6: Final answer
x = 156.95
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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.