Finding the Fourth Proportional to 197.12, 295.59 and 115.99
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Solution
The fourth proportional to 197.12, 295.59 and 115.99 is: 173.93
Step by Step Solution
- Step 1: Write the proportion equation
197.12 : 295.59 = 115.99 : x - Step 2: Convert to fraction form
197.12/295.59 = 115.99/x - Step 3: Cross multiply
197.12x = 295.59 × 115.99 - Step 4: Simplify right side
197.12x = 34,285.48 - Step 5: Solve for x
x = 34,285.48/197.12 - Step 6: Final answer
x = 173.93
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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.