Finding the Fourth Proportional to 207.04, 310.97 and 199.75
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Solution
The fourth proportional to 207.04, 310.97 and 199.75 is: 300.02
Step by Step Solution
- Step 1: Write the proportion equation
207.04 : 310.97 = 199.75 : x - Step 2: Convert to fraction form
207.04/310.97 = 199.75/x - Step 3: Cross multiply
207.04x = 310.97 × 199.75 - Step 4: Simplify right side
207.04x = 62,116.26 - Step 5: Solve for x
x = 62,116.26/207.04 - Step 6: Final answer
x = 300.02
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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.