Finding the Fourth Proportional to 413.11, 570.08 and 226.60
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Solution
The fourth proportional to 413.11, 570.08 and 226.60 is: 312.70
Step by Step Solution
- Step 1: Write the proportion equation
413.11 : 570.08 = 226.60 : x - Step 2: Convert to fraction form
413.11/570.08 = 226.60/x - Step 3: Cross multiply
413.11x = 570.08 × 226.60 - Step 4: Simplify right side
413.11x = 129,178.63 - Step 5: Solve for x
x = 129,178.63/413.11 - Step 6: Final answer
x = 312.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.