Finding the Fourth Proportional to 203.96, 281.26 and 130.26
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Solution
The fourth proportional to 203.96, 281.26 and 130.26 is: 179.63
Step by Step Solution
- Step 1: Write the proportion equation
203.96 : 281.26 = 130.26 : x - Step 2: Convert to fraction form
203.96/281.26 = 130.26/x - Step 3: Cross multiply
203.96x = 281.26 × 130.26 - Step 4: Simplify right side
203.96x = 36,636.93 - Step 5: Solve for x
x = 36,636.93/203.96 - Step 6: Final answer
x = 179.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.