Finding the Fourth Proportional to 208.37, 286.74 and 176.99
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Solution
The fourth proportional to 208.37, 286.74 and 176.99 is: 243.55
Step by Step Solution
- Step 1: Write the proportion equation
208.37 : 286.74 = 176.99 : x - Step 2: Convert to fraction form
208.37/286.74 = 176.99/x - Step 3: Cross multiply
208.37x = 286.74 × 176.99 - Step 4: Simplify right side
208.37x = 50,748.68 - Step 5: Solve for x
x = 50,748.68/208.37 - Step 6: Final answer
x = 243.55
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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.