Finding the Third Proportional to 229 and 321.50
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Solution
The third proportional to 229 and 321.50 is: 451.36
Step by Step Solution
- Step 1: Write the proportion equation
229 : 321.50 = 321.50 : x - Step 2: Convert to fraction form
229/321.50 = 321.50/x - Step 3: Cross multiply
229x = 321.50 × 321.50 - Step 4: Simplify right side
229x = 103,362.25 - Step 5: Solve for x
x = 103,362.25/229 - Step 6: Final answer
x = 451.36
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.