Finding the Fourth Proportional to 203.44, 305.19 and 122.26
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Solution
The fourth proportional to 203.44, 305.19 and 122.26 is: 183.41
Step by Step Solution
- Step 1: Write the proportion equation
203.44 : 305.19 = 122.26 : x - Step 2: Convert to fraction form
203.44/305.19 = 122.26/x - Step 3: Cross multiply
203.44x = 305.19 × 122.26 - Step 4: Simplify right side
203.44x = 37,312.68 - Step 5: Solve for x
x = 37,312.68/203.44 - Step 6: Final answer
x = 183.41
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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.