Finding the Fourth Proportional to 197.88, 295.96 and 157.08
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Solution
The fourth proportional to 197.88, 295.96 and 157.08 is: 234.94
Step by Step Solution
- Step 1: Write the proportion equation
197.88 : 295.96 = 157.08 : x - Step 2: Convert to fraction form
197.88/295.96 = 157.08/x - Step 3: Cross multiply
197.88x = 295.96 × 157.08 - Step 4: Simplify right side
197.88x = 46,489.40 - Step 5: Solve for x
x = 46,489.40/197.88 - Step 6: Final answer
x = 234.94
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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.