Finding the Fourth Proportional to 199.99, 274.73 and 163.03
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Solution
The fourth proportional to 199.99, 274.73 and 163.03 is: 223.96
Step by Step Solution
- Step 1: Write the proportion equation
199.99 : 274.73 = 163.03 : x - Step 2: Convert to fraction form
199.99/274.73 = 163.03/x - Step 3: Cross multiply
199.99x = 274.73 × 163.03 - Step 4: Simplify right side
199.99x = 44,789.23 - Step 5: Solve for x
x = 44,789.23/199.99 - Step 6: Final answer
x = 223.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.