Finding the Fourth Proportional to 199.14, 299.07 and 163.14
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Solution
The fourth proportional to 199.14, 299.07 and 163.14 is: 245.00
Step by Step Solution
- Step 1: Write the proportion equation
199.14 : 299.07 = 163.14 : x - Step 2: Convert to fraction form
199.14/299.07 = 163.14/x - Step 3: Cross multiply
199.14x = 299.07 × 163.14 - Step 4: Simplify right side
199.14x = 48,790.28 - Step 5: Solve for x
x = 48,790.28/199.14 - Step 6: Final answer
x = 245.00
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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.