Finding the Fourth Proportional to 413.87, 571.08 and 236.79
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Solution
The fourth proportional to 413.87, 571.08 and 236.79 is: 326.74
Step by Step Solution
- Step 1: Write the proportion equation
413.87 : 571.08 = 236.79 : x - Step 2: Convert to fraction form
413.87/571.08 = 236.79/x - Step 3: Cross multiply
413.87x = 571.08 × 236.79 - Step 4: Simplify right side
413.87x = 135,226.03 - Step 5: Solve for x
x = 135,226.03/413.87 - Step 6: Final answer
x = 326.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.