Finding the Fourth Proportional to 409.24, 614.32 and 226.99
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Solution
The fourth proportional to 409.24, 614.32 and 226.99 is: 340.74
Step by Step Solution
- Step 1: Write the proportion equation
409.24 : 614.32 = 226.99 : x - Step 2: Convert to fraction form
409.24/614.32 = 226.99/x - Step 3: Cross multiply
409.24x = 614.32 × 226.99 - Step 4: Simplify right side
409.24x = 139,444.50 - Step 5: Solve for x
x = 139,444.50/409.24 - Step 6: Final answer
x = 340.74
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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.