Finding the Fourth Proportional to 263.91, 364.23 and 180.99
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Solution
The fourth proportional to 263.91, 364.23 and 180.99 is: 249.79
Step by Step Solution
- Step 1: Write the proportion equation
263.91 : 364.23 = 180.99 : x - Step 2: Convert to fraction form
263.91/364.23 = 180.99/x - Step 3: Cross multiply
263.91x = 364.23 × 180.99 - Step 4: Simplify right side
263.91x = 65,921.99 - Step 5: Solve for x
x = 65,921.99/263.91 - Step 6: Final answer
x = 249.79
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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.