Finding the Fourth Proportional to 110.99, 166.13 and 98.99
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Solution
The fourth proportional to 110.99, 166.13 and 98.99 is: 148.16
Step by Step Solution
- Step 1: Write the proportion equation
110.99 : 166.13 = 98.99 : x - Step 2: Convert to fraction form
110.99/166.13 = 98.99/x - Step 3: Cross multiply
110.99x = 166.13 × 98.99 - Step 4: Simplify right side
110.99x = 16,444.71 - Step 5: Solve for x
x = 16,444.71/110.99 - Step 6: Final answer
x = 148.16
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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.