Finding the Fourth Proportional to 221.99, 332.99 and 176.43
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Solution
The fourth proportional to 221.99, 332.99 and 176.43 is: 264.65
Step by Step Solution
- Step 1: Write the proportion equation
221.99 : 332.99 = 176.43 : x - Step 2: Convert to fraction form
221.99/332.99 = 176.43/x - Step 3: Cross multiply
221.99x = 332.99 × 176.43 - Step 4: Simplify right side
221.99x = 58,749.43 - Step 5: Solve for x
x = 58,749.43/221.99 - Step 6: Final answer
x = 264.65
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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.