Finding the Fourth Proportional to 239.97, 360.09 and 102.99
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Solution
The fourth proportional to 239.97, 360.09 and 102.99 is: 154.54
Step by Step Solution
- Step 1: Write the proportion equation
239.97 : 360.09 = 102.99 : x - Step 2: Convert to fraction form
239.97/360.09 = 102.99/x - Step 3: Cross multiply
239.97x = 360.09 × 102.99 - Step 4: Simplify right side
239.97x = 37,085.67 - Step 5: Solve for x
x = 37,085.67/239.97 - Step 6: Final answer
x = 154.54
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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.