Finding the Fourth Proportional to 239.50, 359.19 and 201
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Solution
The fourth proportional to 239.50, 359.19 and 201 is: 301.45
Step by Step Solution
- Step 1: Write the proportion equation
239.50 : 359.19 = 201 : x - Step 2: Convert to fraction form
239.50/359.19 = 201/x - Step 3: Cross multiply
239.50x = 359.19 × 201 - Step 4: Simplify right side
239.50x = 72,197.19 - Step 5: Solve for x
x = 72,197.19/239.50 - Step 6: Final answer
x = 301.45
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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.