Finding the Fourth Proportional to 201.54, 277.80 and 170.76
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Solution
The fourth proportional to 201.54, 277.80 and 170.76 is: 235.37
Step by Step Solution
- Step 1: Write the proportion equation
201.54 : 277.80 = 170.76 : x - Step 2: Convert to fraction form
201.54/277.80 = 170.76/x - Step 3: Cross multiply
201.54x = 277.80 × 170.76 - Step 4: Simplify right side
201.54x = 47,437.13 - Step 5: Solve for x
x = 47,437.13/201.54 - Step 6: Final answer
x = 235.37
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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.