Finding the Fourth Proportional to 235.24, 353.07 and 111.99
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Solution
The fourth proportional to 235.24, 353.07 and 111.99 is: 168.09
Step by Step Solution
- Step 1: Write the proportion equation
235.24 : 353.07 = 111.99 : x - Step 2: Convert to fraction form
235.24/353.07 = 111.99/x - Step 3: Cross multiply
235.24x = 353.07 × 111.99 - Step 4: Simplify right side
235.24x = 39,541.42 - Step 5: Solve for x
x = 39,541.42/235.24 - Step 6: Final answer
x = 168.09
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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.