Finding the Fourth Proportional to 239.27, 330.26 and 140.99
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Solution
The fourth proportional to 239.27, 330.26 and 140.99 is: 194.60
Step by Step Solution
- Step 1: Write the proportion equation
239.27 : 330.26 = 140.99 : x - Step 2: Convert to fraction form
239.27/330.26 = 140.99/x - Step 3: Cross multiply
239.27x = 330.26 × 140.99 - Step 4: Simplify right side
239.27x = 46,561.00 - Step 5: Solve for x
x = 46,561.00/239.27 - Step 6: Final answer
x = 194.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.