Finding the Fourth Proportional to 238.08, 357.10 and 83.99
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Solution
The fourth proportional to 238.08, 357.10 and 83.99 is: 125.98
Step by Step Solution
- Step 1: Write the proportion equation
238.08 : 357.10 = 83.99 : x - Step 2: Convert to fraction form
238.08/357.10 = 83.99/x - Step 3: Cross multiply
238.08x = 357.10 × 83.99 - Step 4: Simplify right side
238.08x = 29,992.41 - Step 5: Solve for x
x = 29,992.41/238.08 - 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.