Finding the Third Proportional to 321.50 and 351
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Solution
The third proportional to 321.50 and 351 is: 383.21
Step by Step Solution
- Step 1: Write the proportion equation
321.50 : 351 = 351 : x - Step 2: Convert to fraction form
321.50/351 = 351/x - Step 3: Cross multiply
321.50x = 351 × 351 - Step 4: Simplify right side
321.50x = 123,201 - Step 5: Solve for x
x = 123,201/321.50 - Step 6: Final answer
x = 383.21
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.