Finding the Fourth Proportional to 197.07, 295.26 and 119.79
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Solution
The fourth proportional to 197.07, 295.26 and 119.79 is: 179.48
Step by Step Solution
- Step 1: Write the proportion equation
197.07 : 295.26 = 119.79 : x - Step 2: Convert to fraction form
197.07/295.26 = 119.79/x - Step 3: Cross multiply
197.07x = 295.26 × 119.79 - Step 4: Simplify right side
197.07x = 35,368.75 - Step 5: Solve for x
x = 35,368.75/197.07 - Step 6: Final answer
x = 179.48
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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.