Finding the Fourth Proportional to 201.74, 302.61 and 110.48
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Solution
The fourth proportional to 201.74, 302.61 and 110.48 is: 165.72
Step by Step Solution
- Step 1: Write the proportion equation
201.74 : 302.61 = 110.48 : x - Step 2: Convert to fraction form
201.74/302.61 = 110.48/x - Step 3: Cross multiply
201.74x = 302.61 × 110.48 - Step 4: Simplify right side
201.74x = 33,430.84 - Step 5: Solve for x
x = 33,430.84/201.74 - Step 6: Final answer
x = 165.72
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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.