Finding the Fourth Proportional to 201.28, 297.76 and 201.28
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Solution
The fourth proportional to 201.28, 297.76 and 201.28 is: 297.76
Step by Step Solution
- Step 1: Write the proportion equation
201.28 : 297.76 = 201.28 : x - Step 2: Convert to fraction form
201.28/297.76 = 201.28/x - Step 3: Cross multiply
201.28x = 297.76 × 201.28 - Step 4: Simplify right side
201.28x = 59,933.13 - Step 5: Solve for x
x = 59,933.13/201.28 - Step 6: Final answer
x = 297.76
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.