Finding the Fourth Proportional to 166.44, 249.58 and 97.99
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Solution
The fourth proportional to 166.44, 249.58 and 97.99 is: 146.93
Step by Step Solution
- Step 1: Write the proportion equation
166.44 : 249.58 = 97.99 : x - Step 2: Convert to fraction form
166.44/249.58 = 97.99/x - Step 3: Cross multiply
166.44x = 249.58 × 97.99 - Step 4: Simplify right side
166.44x = 24,455.84 - Step 5: Solve for x
x = 24,455.84/166.44 - Step 6: Final answer
x = 146.93
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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.