Finding the Fourth Proportional to 299.99, 413.99 and 175.68
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Solution
The fourth proportional to 299.99, 413.99 and 175.68 is: 242.44
Step by Step Solution
- Step 1: Write the proportion equation
299.99 : 413.99 = 175.68 : x - Step 2: Convert to fraction form
299.99/413.99 = 175.68/x - Step 3: Cross multiply
299.99x = 413.99 × 175.68 - Step 4: Simplify right side
299.99x = 72,728.88 - Step 5: Solve for x
x = 72,728.88/299.99 - Step 6: Final answer
x = 242.44
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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.