Finding the Fourth Proportional to 201.26, 301.87 and 64.31
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Solution
The fourth proportional to 201.26, 301.87 and 64.31 is: 96.46
Step by Step Solution
- Step 1: Write the proportion equation
201.26 : 301.87 = 64.31 : x - Step 2: Convert to fraction form
201.26/301.87 = 64.31/x - Step 3: Cross multiply
201.26x = 301.87 × 64.31 - Step 4: Simplify right side
201.26x = 19,413.26 - Step 5: Solve for x
x = 19,413.26/201.26 - Step 6: Final answer
x = 96.46
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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.