Finding the Fourth Proportional to 201.26, 277.96 and 157.93
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Solution
The fourth proportional to 201.26, 277.96 and 157.93 is: 218.12
Step by Step Solution
- Step 1: Write the proportion equation
201.26 : 277.96 = 157.93 : x - Step 2: Convert to fraction form
201.26/277.96 = 157.93/x - Step 3: Cross multiply
201.26x = 277.96 × 157.93 - Step 4: Simplify right side
201.26x = 43,898.22 - Step 5: Solve for x
x = 43,898.22/201.26 - Step 6: Final answer
x = 218.12
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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.