Finding the Fourth Proportional to 203.70, 305.73 and 163.02
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Solution
The fourth proportional to 203.70, 305.73 and 163.02 is: 244.67
Step by Step Solution
- Step 1: Write the proportion equation
203.70 : 305.73 = 163.02 : x - Step 2: Convert to fraction form
203.70/305.73 = 163.02/x - Step 3: Cross multiply
203.70x = 305.73 × 163.02 - Step 4: Simplify right side
203.70x = 49,840.10 - Step 5: Solve for x
x = 49,840.10/203.70 - Step 6: Final answer
x = 244.67
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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.