Finding the Fourth Proportional to 413.02, 618.99 and 310.96
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Solution
The fourth proportional to 413.02, 618.99 and 310.96 is: 466.03
Step by Step Solution
- Step 1: Write the proportion equation
413.02 : 618.99 = 310.96 : x - Step 2: Convert to fraction form
413.02/618.99 = 310.96/x - Step 3: Cross multiply
413.02x = 618.99 × 310.96 - Step 4: Simplify right side
413.02x = 192,481.13 - Step 5: Solve for x
x = 192,481.13/413.02 - Step 6: Final answer
x = 466.03
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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.