Finding the Fourth Proportional to 294.68, 441.81 and 157.79
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Solution
The fourth proportional to 294.68, 441.81 and 157.79 is: 236.57
Step by Step Solution
- Step 1: Write the proportion equation
294.68 : 441.81 = 157.79 : x - Step 2: Convert to fraction form
294.68/441.81 = 157.79/x - Step 3: Cross multiply
294.68x = 441.81 × 157.79 - Step 4: Simplify right side
294.68x = 69,714.30 - Step 5: Solve for x
x = 69,714.30/294.68 - Step 6: Final answer
x = 236.57
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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.