Finding the Fourth Proportional to 207.10, 312.17 and 201.70
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Solution
The fourth proportional to 207.10, 312.17 and 201.70 is: 304.03
Step by Step Solution
- Step 1: Write the proportion equation
207.10 : 312.17 = 201.70 : x - Step 2: Convert to fraction form
207.10/312.17 = 201.70/x - Step 3: Cross multiply
207.10x = 312.17 × 201.70 - Step 4: Simplify right side
207.10x = 62,964.69 - Step 5: Solve for x
x = 62,964.69/207.10 - Step 6: Final answer
x = 304.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.