Finding the Fourth Proportional to 239.73, 330.84 and 160.93
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Solution
The fourth proportional to 239.73, 330.84 and 160.93 is: 222.08
Step by Step Solution
- Step 1: Write the proportion equation
239.73 : 330.84 = 160.93 : x - Step 2: Convert to fraction form
239.73/330.84 = 160.93/x - Step 3: Cross multiply
239.73x = 330.84 × 160.93 - Step 4: Simplify right side
239.73x = 53,239.62 - Step 5: Solve for x
x = 53,239.62/239.73 - Step 6: Final answer
x = 222.08
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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.