Finding the Fourth Proportional to 235.33, 353.11 and 137.99
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Solution
The fourth proportional to 235.33, 353.11 and 137.99 is: 207.05
Step by Step Solution
- Step 1: Write the proportion equation
235.33 : 353.11 = 137.99 : x - Step 2: Convert to fraction form
235.33/353.11 = 137.99/x - Step 3: Cross multiply
235.33x = 353.11 × 137.99 - Step 4: Simplify right side
235.33x = 48,725.65 - Step 5: Solve for x
x = 48,725.65/235.33 - Step 6: Final answer
x = 207.05
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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.