Finding the Fourth Proportional to 201.97, 302.73 and 93.70
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Solution
The fourth proportional to 201.97, 302.73 and 93.70 is: 140.45
Step by Step Solution
- Step 1: Write the proportion equation
201.97 : 302.73 = 93.70 : x - Step 2: Convert to fraction form
201.97/302.73 = 93.70/x - Step 3: Cross multiply
201.97x = 302.73 × 93.70 - Step 4: Simplify right side
201.97x = 28,365.80 - Step 5: Solve for x
x = 28,365.80/201.97 - Step 6: Final answer
x = 140.45
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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.