Finding the Fourth Proportional to 201.74, 302.04 and 108.99
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Solution
The fourth proportional to 201.74, 302.04 and 108.99 is: 163.18
Step by Step Solution
- Step 1: Write the proportion equation
201.74 : 302.04 = 108.99 : x - Step 2: Convert to fraction form
201.74/302.04 = 108.99/x - Step 3: Cross multiply
201.74x = 302.04 × 108.99 - Step 4: Simplify right side
201.74x = 32,919.34 - Step 5: Solve for x
x = 32,919.34/201.74 - Step 6: Final answer
x = 163.18
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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.