Finding the Third Proportional to 233 and 387.50
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Solution
The third proportional to 233 and 387.50 is: 644.45
Step by Step Solution
- Step 1: Write the proportion equation
233 : 387.50 = 387.50 : x - Step 2: Convert to fraction form
233/387.50 = 387.50/x - Step 3: Cross multiply
233x = 387.50 × 387.50 - Step 4: Simplify right side
233x = 150,156.25 - Step 5: Solve for x
x = 150,156.25/233 - Step 6: Final answer
x = 644.45
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Why These Related Problems?
These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.