Finding the Fourth Proportional to 197.11, 295.74 and 88.98
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Solution
The fourth proportional to 197.11, 295.74 and 88.98 is: 133.49
Step by Step Solution
- Step 1: Write the proportion equation
197.11 : 295.74 = 88.98 : x - Step 2: Convert to fraction form
197.11/295.74 = 88.98/x - Step 3: Cross multiply
197.11x = 295.74 × 88.98 - Step 4: Simplify right side
197.11x = 26,313.02 - Step 5: Solve for x
x = 26,313.02/197.11 - Step 6: Final answer
x = 133.49
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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.