Finding the Fourth Proportional to 239.85, 359.79 and 93.63
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Solution
The fourth proportional to 239.85, 359.79 and 93.63 is: 140.45
Step by Step Solution
- Step 1: Write the proportion equation
239.85 : 359.79 = 93.63 : x - Step 2: Convert to fraction form
239.85/359.79 = 93.63/x - Step 3: Cross multiply
239.85x = 359.79 × 93.63 - Step 4: Simplify right side
239.85x = 33,687.14 - Step 5: Solve for x
x = 33,687.14/239.85 - Step 6: Final answer
x = 140.45
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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.