Finding the Fourth Proportional to 197.24, 272.58 and 177.44
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Solution
The fourth proportional to 197.24, 272.58 and 177.44 is: 245.22
Step by Step Solution
- Step 1: Write the proportion equation
197.24 : 272.58 = 177.44 : x - Step 2: Convert to fraction form
197.24/272.58 = 177.44/x - Step 3: Cross multiply
197.24x = 272.58 × 177.44 - Step 4: Simplify right side
197.24x = 48,366.60 - Step 5: Solve for x
x = 48,366.60/197.24 - Step 6: Final answer
x = 245.22
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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.