Finding the Fourth Proportional to 238.08, 357.09 and 93.75
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Solution
The fourth proportional to 238.08, 357.09 and 93.75 is: 140.61
Step by Step Solution
- Step 1: Write the proportion equation
238.08 : 357.09 = 93.75 : x - Step 2: Convert to fraction form
238.08/357.09 = 93.75/x - Step 3: Cross multiply
238.08x = 357.09 × 93.75 - Step 4: Simplify right side
238.08x = 33,477.19 - Step 5: Solve for x
x = 33,477.19/238.08 - Step 6: Final answer
x = 140.61
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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.