Finding the Fourth Proportional to 197.44, 295.97 and 136.48
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Solution
The fourth proportional to 197.44, 295.97 and 136.48 is: 204.59
Step by Step Solution
- Step 1: Write the proportion equation
197.44 : 295.97 = 136.48 : x - Step 2: Convert to fraction form
197.44/295.97 = 136.48/x - Step 3: Cross multiply
197.44x = 295.97 × 136.48 - Step 4: Simplify right side
197.44x = 40,393.99 - Step 5: Solve for x
x = 40,393.99/197.44 - Step 6: Final answer
x = 204.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.