Finding the Fourth Proportional to 294.97, 407.08 and 163.99
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Solution
The fourth proportional to 294.97, 407.08 and 163.99 is: 226.31
Step by Step Solution
- Step 1: Write the proportion equation
294.97 : 407.08 = 163.99 : x - Step 2: Convert to fraction form
294.97/407.08 = 163.99/x - Step 3: Cross multiply
294.97x = 407.08 × 163.99 - Step 4: Simplify right side
294.97x = 66,754.19 - Step 5: Solve for x
x = 66,754.19/294.97 - Step 6: Final answer
x = 226.31
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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.