Finding the Fourth Proportional to 294.99, 442.39 and 132.79
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Solution
The fourth proportional to 294.99, 442.39 and 132.79 is: 199.14
Step by Step Solution
- Step 1: Write the proportion equation
294.99 : 442.39 = 132.79 : x - Step 2: Convert to fraction form
294.99/442.39 = 132.79/x - Step 3: Cross multiply
294.99x = 442.39 × 132.79 - Step 4: Simplify right side
294.99x = 58,744.97 - Step 5: Solve for x
x = 58,744.97/294.99 - Step 6: Final answer
x = 199.14
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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.