Finding the Fourth Proportional to 207.24, 310.84 and 125.94
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Solution
The fourth proportional to 207.24, 310.84 and 125.94 is: 188.89
Step by Step Solution
- Step 1: Write the proportion equation
207.24 : 310.84 = 125.94 : x - Step 2: Convert to fraction form
207.24/310.84 = 125.94/x - Step 3: Cross multiply
207.24x = 310.84 × 125.94 - Step 4: Simplify right side
207.24x = 39,146.29 - Step 5: Solve for x
x = 39,146.29/207.24 - Step 6: Final answer
x = 188.89
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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.