Finding the Fourth Proportional to 414.99, 622.12 and 243.63
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Solution
The fourth proportional to 414.99, 622.12 and 243.63 is: 365.23
Step by Step Solution
- Step 1: Write the proportion equation
414.99 : 622.12 = 243.63 : x - Step 2: Convert to fraction form
414.99/622.12 = 243.63/x - Step 3: Cross multiply
414.99x = 622.12 × 243.63 - Step 4: Simplify right side
414.99x = 151,563.38 - Step 5: Solve for x
x = 151,563.38/414.99 - Step 6: Final answer
x = 365.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.