Finding the Fourth Proportional to 201.69, 302.26 and 93.23
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Solution
The fourth proportional to 201.69, 302.26 and 93.23 is: 139.72
Step by Step Solution
- Step 1: Write the proportion equation
201.69 : 302.26 = 93.23 : x - Step 2: Convert to fraction form
201.69/302.26 = 93.23/x - Step 3: Cross multiply
201.69x = 302.26 × 93.23 - Step 4: Simplify right side
201.69x = 28,179.70 - Step 5: Solve for x
x = 28,179.70/201.69 - Step 6: Final answer
x = 139.72
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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.