Finding the Fourth Proportional to 203.36, 305.18 and 163.26
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Solution
The fourth proportional to 203.36, 305.18 and 163.26 is: 245.01
Step by Step Solution
- Step 1: Write the proportion equation
203.36 : 305.18 = 163.26 : x - Step 2: Convert to fraction form
203.36/305.18 = 163.26/x - Step 3: Cross multiply
203.36x = 305.18 × 163.26 - Step 4: Simplify right side
203.36x = 49,824.40 - Step 5: Solve for x
x = 49,824.40/203.36 - Step 6: Final answer
x = 245.01
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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.