Finding the Fourth Proportional to 207.24, 286.01 and 119.93
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Solution
The fourth proportional to 207.24, 286.01 and 119.93 is: 165.50
Step by Step Solution
- Step 1: Write the proportion equation
207.24 : 286.01 = 119.93 : x - Step 2: Convert to fraction form
207.24/286.01 = 119.93/x - Step 3: Cross multiply
207.24x = 286.01 × 119.93 - Step 4: Simplify right side
207.24x = 34,299.15 - Step 5: Solve for x
x = 34,299.15/207.24 - Step 6: Final answer
x = 165.50
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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.