Finding the Fourth Proportional to 197.68, 272.93 and 176.92
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Solution
The fourth proportional to 197.68, 272.93 and 176.92 is: 244.27
Step by Step Solution
- Step 1: Write the proportion equation
197.68 : 272.93 = 176.92 : x - Step 2: Convert to fraction form
197.68/272.93 = 176.92/x - Step 3: Cross multiply
197.68x = 272.93 × 176.92 - Step 4: Simplify right side
197.68x = 48,288.30 - Step 5: Solve for x
x = 48,288.30/197.68 - Step 6: Final answer
x = 244.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.