Finding the Fourth Proportional to 229.99, 317.37 and 180.99
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Solution
The fourth proportional to 229.99, 317.37 and 180.99 is: 249.75
Step by Step Solution
- Step 1: Write the proportion equation
229.99 : 317.37 = 180.99 : x - Step 2: Convert to fraction form
229.99/317.37 = 180.99/x - Step 3: Cross multiply
229.99x = 317.37 × 180.99 - Step 4: Simplify right side
229.99x = 57,439.21 - Step 5: Solve for x
x = 57,439.21/229.99 - Step 6: Final answer
x = 249.75
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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.