Finding the Fourth Proportional to 221.99, 333.14 and 167.99
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Solution
The fourth proportional to 221.99, 333.14 and 167.99 is: 252.10
Step by Step Solution
- Step 1: Write the proportion equation
221.99 : 333.14 = 167.99 : x - Step 2: Convert to fraction form
221.99/333.14 = 167.99/x - Step 3: Cross multiply
221.99x = 333.14 × 167.99 - Step 4: Simplify right side
221.99x = 55,961.68 - Step 5: Solve for x
x = 55,961.68/221.99 - Step 6: Final answer
x = 252.10
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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.