Finding the Fourth Proportional to 213.43, 294.60 and 124.99
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Solution
The fourth proportional to 213.43, 294.60 and 124.99 is: 172.53
Step by Step Solution
- Step 1: Write the proportion equation
213.43 : 294.60 = 124.99 : x - Step 2: Convert to fraction form
213.43/294.60 = 124.99/x - Step 3: Cross multiply
213.43x = 294.60 × 124.99 - Step 4: Simplify right side
213.43x = 36,822.05 - Step 5: Solve for x
x = 36,822.05/213.43 - Step 6: Final answer
x = 172.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.