Finding the Fourth Proportional to 201.41, 302.11 and 98.62
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Solution
The fourth proportional to 201.41, 302.11 and 98.62 is: 147.92
Step by Step Solution
- Step 1: Write the proportion equation
201.41 : 302.11 = 98.62 : x - Step 2: Convert to fraction form
201.41/302.11 = 98.62/x - Step 3: Cross multiply
201.41x = 302.11 × 98.62 - Step 4: Simplify right side
201.41x = 29,792.08 - Step 5: Solve for x
x = 29,792.08/201.41 - Step 6: Final answer
x = 147.92
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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.