Finding the Fourth Proportional to 350.38, 524.31 and 252.99
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Solution
The fourth proportional to 350.38, 524.31 and 252.99 is: 378.57
Step by Step Solution
- Step 1: Write the proportion equation
350.38 : 524.31 = 252.99 : x - Step 2: Convert to fraction form
350.38/524.31 = 252.99/x - Step 3: Cross multiply
350.38x = 524.31 × 252.99 - Step 4: Simplify right side
350.38x = 132,643.09 - Step 5: Solve for x
x = 132,643.09/350.38 - Step 6: Final answer
x = 378.57
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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.