Finding the Fourth Proportional to 133.70, 199.11 and 132.92
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Solution
The fourth proportional to 133.70, 199.11 and 132.92 is: 197.96
Step by Step Solution
- Step 1: Write the proportion equation
133.70 : 199.11 = 132.92 : x - Step 2: Convert to fraction form
133.70/199.11 = 132.92/x - Step 3: Cross multiply
133.70x = 199.11 × 132.92 - Step 4: Simplify right side
133.70x = 26,465.95 - Step 5: Solve for x
x = 26,465.95/133.70 - Step 6: Final answer
x = 197.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.