Finding the Fourth Proportional to 235.26, 324.36 and 193.74
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Solution
The fourth proportional to 235.26, 324.36 and 193.74 is: 267.12
Step by Step Solution
- Step 1: Write the proportion equation
235.26 : 324.36 = 193.74 : x - Step 2: Convert to fraction form
235.26/324.36 = 193.74/x - Step 3: Cross multiply
235.26x = 324.36 × 193.74 - Step 4: Simplify right side
235.26x = 62,841.51 - Step 5: Solve for x
x = 62,841.51/235.26 - Step 6: Final answer
x = 267.12
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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.