Finding the Fourth Proportional to 207.53, 286.21 and 176.55
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Solution
The fourth proportional to 207.53, 286.21 and 176.55 is: 243.48
Step by Step Solution
- Step 1: Write the proportion equation
207.53 : 286.21 = 176.55 : x - Step 2: Convert to fraction form
207.53/286.21 = 176.55/x - Step 3: Cross multiply
207.53x = 286.21 × 176.55 - Step 4: Simplify right side
207.53x = 50,530.38 - Step 5: Solve for x
x = 50,530.38/207.53 - Step 6: Final answer
x = 243.48
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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.