Finding the Fourth Proportional to 135.26, 203.13 and 111.26
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Solution
The fourth proportional to 135.26, 203.13 and 111.26 is: 167.09
Step by Step Solution
- Step 1: Write the proportion equation
135.26 : 203.13 = 111.26 : x - Step 2: Convert to fraction form
135.26/203.13 = 111.26/x - Step 3: Cross multiply
135.26x = 203.13 × 111.26 - Step 4: Simplify right side
135.26x = 22,600.24 - Step 5: Solve for x
x = 22,600.24/135.26 - Step 6: Final answer
x = 167.09
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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.