Finding the Fourth Proportional to 235.72, 352.99 and 201.43
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Solution
The fourth proportional to 235.72, 352.99 and 201.43 is: 301.64
Step by Step Solution
- Step 1: Write the proportion equation
235.72 : 352.99 = 201.43 : x - Step 2: Convert to fraction form
235.72/352.99 = 201.43/x - Step 3: Cross multiply
235.72x = 352.99 × 201.43 - Step 4: Simplify right side
235.72x = 71,102.78 - Step 5: Solve for x
x = 71,102.78/235.72 - Step 6: Final answer
x = 301.64
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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.