Finding the Fourth Proportional to 201.63, 302.64 and 98.97
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Solution
The fourth proportional to 201.63, 302.64 and 98.97 is: 148.55
Step by Step Solution
- Step 1: Write the proportion equation
201.63 : 302.64 = 98.97 : x - Step 2: Convert to fraction form
201.63/302.64 = 98.97/x - Step 3: Cross multiply
201.63x = 302.64 × 98.97 - Step 4: Simplify right side
201.63x = 29,952.28 - Step 5: Solve for x
x = 29,952.28/201.63 - Step 6: Final answer
x = 148.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.