Finding the Fourth Proportional to 350.43, 525.21 and 306.99
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Solution
The fourth proportional to 350.43, 525.21 and 306.99 is: 460.10
Step by Step Solution
- Step 1: Write the proportion equation
350.43 : 525.21 = 306.99 : x - Step 2: Convert to fraction form
350.43/525.21 = 306.99/x - Step 3: Cross multiply
350.43x = 525.21 × 306.99 - Step 4: Simplify right side
350.43x = 161,234.22 - Step 5: Solve for x
x = 161,234.22/350.43 - Step 6: Final answer
x = 460.10
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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.