Finding the Fourth Proportional to 222.21, 333.37 and 130.99
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Solution
The fourth proportional to 222.21, 333.37 and 130.99 is: 196.52
Step by Step Solution
- Step 1: Write the proportion equation
222.21 : 333.37 = 130.99 : x - Step 2: Convert to fraction form
222.21/333.37 = 130.99/x - Step 3: Cross multiply
222.21x = 333.37 × 130.99 - Step 4: Simplify right side
222.21x = 43,668.14 - Step 5: Solve for x
x = 43,668.14/222.21 - Step 6: Final answer
x = 196.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.