Finding the Fourth Proportional to 294.93, 441.68 and 285.75
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Solution
The fourth proportional to 294.93, 441.68 and 285.75 is: 427.93
Step by Step Solution
- Step 1: Write the proportion equation
294.93 : 441.68 = 285.75 : x - Step 2: Convert to fraction form
294.93/441.68 = 285.75/x - Step 3: Cross multiply
294.93x = 441.68 × 285.75 - Step 4: Simplify right side
294.93x = 126,208.63 - Step 5: Solve for x
x = 126,208.63/294.93 - Step 6: Final answer
x = 427.93
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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.