Finding the Fourth Proportional to 334.99, 462.21 and 230.43
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Solution
The fourth proportional to 334.99, 462.21 and 230.43 is: 317.94
Step by Step Solution
- Step 1: Write the proportion equation
334.99 : 462.21 = 230.43 : x - Step 2: Convert to fraction form
334.99/462.21 = 230.43/x - Step 3: Cross multiply
334.99x = 462.21 × 230.43 - Step 4: Simplify right side
334.99x = 106,506.62 - Step 5: Solve for x
x = 106,506.62/334.99 - Step 6: Final answer
x = 317.94
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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.