Finding the Fourth Proportional to 239.94, 359.97 and 102.99
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Solution
The fourth proportional to 239.94, 359.97 and 102.99 is: 154.51
Step by Step Solution
- Step 1: Write the proportion equation
239.94 : 359.97 = 102.99 : x - Step 2: Convert to fraction form
239.94/359.97 = 102.99/x - Step 3: Cross multiply
239.94x = 359.97 × 102.99 - Step 4: Simplify right side
239.94x = 37,073.31 - Step 5: Solve for x
x = 37,073.31/239.94 - Step 6: Final answer
x = 154.51
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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.