Finding the Fourth Proportional to 409.73, 614.12 and 203.99
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Solution
The fourth proportional to 409.73, 614.12 and 203.99 is: 305.74
Step by Step Solution
- Step 1: Write the proportion equation
409.73 : 614.12 = 203.99 : x - Step 2: Convert to fraction form
409.73/614.12 = 203.99/x - Step 3: Cross multiply
409.73x = 614.12 × 203.99 - Step 4: Simplify right side
409.73x = 125,270.25 - Step 5: Solve for x
x = 125,270.25/409.73 - Step 6: Final answer
x = 305.74
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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.