Finding the Fourth Proportional to 432.92, 649.15 and 226.99
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Solution
The fourth proportional to 432.92, 649.15 and 226.99 is: 340.36
Step by Step Solution
- Step 1: Write the proportion equation
432.92 : 649.15 = 226.99 : x - Step 2: Convert to fraction form
432.92/649.15 = 226.99/x - Step 3: Cross multiply
432.92x = 649.15 × 226.99 - Step 4: Simplify right side
432.92x = 147,350.56 - Step 5: Solve for x
x = 147,350.56/432.92 - Step 6: Final answer
x = 340.36
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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.