Finding the Third Proportional to 234 and 397.50
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Solution
The third proportional to 234 and 397.50 is: 675.24
Step by Step Solution
- Step 1: Write the proportion equation
234 : 397.50 = 397.50 : x - Step 2: Convert to fraction form
234/397.50 = 397.50/x - Step 3: Cross multiply
234x = 397.50 × 397.50 - Step 4: Simplify right side
234x = 158,006.25 - Step 5: Solve for x
x = 158,006.25/234 - Step 6: Final answer
x = 675.24
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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.