Finding the Fourth Proportional to 201.24, 302.02 and 105.08
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Solution
The fourth proportional to 201.24, 302.02 and 105.08 is: 157.70
Step by Step Solution
- Step 1: Write the proportion equation
201.24 : 302.02 = 105.08 : x - Step 2: Convert to fraction form
201.24/302.02 = 105.08/x - Step 3: Cross multiply
201.24x = 302.02 × 105.08 - Step 4: Simplify right side
201.24x = 31,736.26 - Step 5: Solve for x
x = 31,736.26/201.24 - Step 6: Final answer
x = 157.70
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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.