Finding the Fourth Proportional to 201.98, 302.99 and 110.63
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Solution
The fourth proportional to 201.98, 302.99 and 110.63 is: 165.95
Step by Step Solution
- Step 1: Write the proportion equation
201.98 : 302.99 = 110.63 : x - Step 2: Convert to fraction form
201.98/302.99 = 110.63/x - Step 3: Cross multiply
201.98x = 302.99 × 110.63 - Step 4: Simplify right side
201.98x = 33,517.72 - Step 5: Solve for x
x = 33,517.72/201.98 - Step 6: Final answer
x = 165.95
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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.