Finding the Fourth Proportional to 207.62, 311.36 and 63.36
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Solution
The fourth proportional to 207.62, 311.36 and 63.36 is: 95.02
Step by Step Solution
- Step 1: Write the proportion equation
207.62 : 311.36 = 63.36 : x - Step 2: Convert to fraction form
207.62/311.36 = 63.36/x - Step 3: Cross multiply
207.62x = 311.36 × 63.36 - Step 4: Simplify right side
207.62x = 19,727.77 - Step 5: Solve for x
x = 19,727.77/207.62 - Step 6: Final answer
x = 95.02
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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.