Finding the Fourth Proportional to 201.93, 278.76 and 132.09
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Solution
The fourth proportional to 201.93, 278.76 and 132.09 is: 182.35
Step by Step Solution
- Step 1: Write the proportion equation
201.93 : 278.76 = 132.09 : x - Step 2: Convert to fraction form
201.93/278.76 = 132.09/x - Step 3: Cross multiply
201.93x = 278.76 × 132.09 - Step 4: Simplify right side
201.93x = 36,821.41 - Step 5: Solve for x
x = 36,821.41/201.93 - Step 6: Final answer
x = 182.35
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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.