Finding the Fourth Proportional to 197.88, 296.64 and 88.08
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Solution
The fourth proportional to 197.88, 296.64 and 88.08 is: 132.04
Step by Step Solution
- Step 1: Write the proportion equation
197.88 : 296.64 = 88.08 : x - Step 2: Convert to fraction form
197.88/296.64 = 88.08/x - Step 3: Cross multiply
197.88x = 296.64 × 88.08 - Step 4: Simplify right side
197.88x = 26,128.05 - Step 5: Solve for x
x = 26,128.05/197.88 - Step 6: Final answer
x = 132.04
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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.