Finding the Fourth Proportional to 203.26, 305.18 and 135.22
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Solution
The fourth proportional to 203.26, 305.18 and 135.22 is: 203.02
Step by Step Solution
- Step 1: Write the proportion equation
203.26 : 305.18 = 135.22 : x - Step 2: Convert to fraction form
203.26/305.18 = 135.22/x - Step 3: Cross multiply
203.26x = 305.18 × 135.22 - Step 4: Simplify right side
203.26x = 41,266.44 - Step 5: Solve for x
x = 41,266.44/203.26 - Step 6: Final answer
x = 203.02
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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.