Finding the Fourth Proportional to 206.49, 285.08 and 163.02
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Solution
The fourth proportional to 206.49, 285.08 and 163.02 is: 225.06
Step by Step Solution
- Step 1: Write the proportion equation
206.49 : 285.08 = 163.02 : x - Step 2: Convert to fraction form
206.49/285.08 = 163.02/x - Step 3: Cross multiply
206.49x = 285.08 × 163.02 - Step 4: Simplify right side
206.49x = 46,472.93 - Step 5: Solve for x
x = 46,472.93/206.49 - Step 6: Final answer
x = 225.06
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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.