Finding the Fourth Proportional to 201.64, 302.46 and 110.44
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Solution
The fourth proportional to 201.64, 302.46 and 110.44 is: 165.66
Step by Step Solution
- Step 1: Write the proportion equation
201.64 : 302.46 = 110.44 : x - Step 2: Convert to fraction form
201.64/302.46 = 110.44/x - Step 3: Cross multiply
201.64x = 302.46 × 110.44 - Step 4: Simplify right side
201.64x = 33,403.68 - Step 5: Solve for x
x = 33,403.68/201.64 - Step 6: Final answer
x = 165.66
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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.