Finding the Fourth Proportional to 414.03, 620.26 and 345.99
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Solution
The fourth proportional to 414.03, 620.26 and 345.99 is: 518.33
Step by Step Solution
- Step 1: Write the proportion equation
414.03 : 620.26 = 345.99 : x - Step 2: Convert to fraction form
414.03/620.26 = 345.99/x - Step 3: Cross multiply
414.03x = 620.26 × 345.99 - Step 4: Simplify right side
414.03x = 214,599.79 - Step 5: Solve for x
x = 214,599.79/414.03 - Step 6: Final answer
x = 518.33
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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.