Finding the Fourth Proportional to 238.07, 357.09 and 83.99
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Solution
The fourth proportional to 238.07, 357.09 and 83.99 is: 125.98
Step by Step Solution
- Step 1: Write the proportion equation
238.07 : 357.09 = 83.99 : x - Step 2: Convert to fraction form
238.07/357.09 = 83.99/x - Step 3: Cross multiply
238.07x = 357.09 × 83.99 - Step 4: Simplify right side
238.07x = 29,991.99 - Step 5: Solve for x
x = 29,991.99/238.07 - Step 6: Final answer
x = 125.98
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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.