Finding the Fourth Proportional to 201.10, 277.36 and 170.10
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Solution
The fourth proportional to 201.10, 277.36 and 170.10 is: 234.60
Step by Step Solution
- Step 1: Write the proportion equation
201.10 : 277.36 = 170.10 : x - Step 2: Convert to fraction form
201.10/277.36 = 170.10/x - Step 3: Cross multiply
201.10x = 277.36 × 170.10 - Step 4: Simplify right side
201.10x = 47,178.94 - Step 5: Solve for x
x = 47,178.94/201.10 - Step 6: Final answer
x = 234.60
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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.