Finding the Fourth Proportional to 197.76, 296.02 and 157.26
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Solution
The fourth proportional to 197.76, 296.02 and 157.26 is: 235.40
Step by Step Solution
- Step 1: Write the proportion equation
197.76 : 296.02 = 157.26 : x - Step 2: Convert to fraction form
197.76/296.02 = 157.26/x - Step 3: Cross multiply
197.76x = 296.02 × 157.26 - Step 4: Simplify right side
197.76x = 46,552.11 - Step 5: Solve for x
x = 46,552.11/197.76 - Step 6: Final answer
x = 235.40
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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.