Finding the Fourth Proportional to 664.22, 996.29 and 201.99
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Solution
The fourth proportional to 664.22, 996.29 and 201.99 is: 302.97
Step by Step Solution
- Step 1: Write the proportion equation
664.22 : 996.29 = 201.99 : x - Step 2: Convert to fraction form
664.22/996.29 = 201.99/x - Step 3: Cross multiply
664.22x = 996.29 × 201.99 - Step 4: Simplify right side
664.22x = 201,240.62 - Step 5: Solve for x
x = 201,240.62/664.22 - Step 6: Final answer
x = 302.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.