Finding the Fourth Proportional to 201.18, 277.63 and 118.26
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Solution
The fourth proportional to 201.18, 277.63 and 118.26 is: 163.20
Step by Step Solution
- Step 1: Write the proportion equation
201.18 : 277.63 = 118.26 : x - Step 2: Convert to fraction form
201.18/277.63 = 118.26/x - Step 3: Cross multiply
201.18x = 277.63 × 118.26 - Step 4: Simplify right side
201.18x = 32,832.23 - Step 5: Solve for x
x = 32,832.23/201.18 - Step 6: Final answer
x = 163.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.