Finding the Fourth Proportional to 207.42, 310.52 and 161.63
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Solution
The fourth proportional to 207.42, 310.52 and 161.63 is: 241.96
Step by Step Solution
- Step 1: Write the proportion equation
207.42 : 310.52 = 161.63 : x - Step 2: Convert to fraction form
207.42/310.52 = 161.63/x - Step 3: Cross multiply
207.42x = 310.52 × 161.63 - Step 4: Simplify right side
207.42x = 50,186.99 - Step 5: Solve for x
x = 50,186.99/207.42 - Step 6: Final answer
x = 241.96
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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.