Finding the Fourth Proportional to 207.03, 285.67 and 119.70
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Solution
The fourth proportional to 207.03, 285.67 and 119.70 is: 165.17
Step by Step Solution
- Step 1: Write the proportion equation
207.03 : 285.67 = 119.70 : x - Step 2: Convert to fraction form
207.03/285.67 = 119.70/x - Step 3: Cross multiply
207.03x = 285.67 × 119.70 - Step 4: Simplify right side
207.03x = 34,194.70 - Step 5: Solve for x
x = 34,194.70/207.03 - Step 6: Final answer
x = 165.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.