Finding the Fourth Proportional to 207.06, 310.57 and 170.58
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Solution
The fourth proportional to 207.06, 310.57 and 170.58 is: 255.85
Step by Step Solution
- Step 1: Write the proportion equation
207.06 : 310.57 = 170.58 : x - Step 2: Convert to fraction form
207.06/310.57 = 170.58/x - Step 3: Cross multiply
207.06x = 310.57 × 170.58 - Step 4: Simplify right side
207.06x = 52,977.03 - Step 5: Solve for x
x = 52,977.03/207.06 - Step 6: Final answer
x = 255.85
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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.