Finding the Fourth Proportional to 344.41, 515.42 and 281.99
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Solution
The fourth proportional to 344.41, 515.42 and 281.99 is: 422.00
Step by Step Solution
- Step 1: Write the proportion equation
344.41 : 515.42 = 281.99 : x - Step 2: Convert to fraction form
344.41/515.42 = 281.99/x - Step 3: Cross multiply
344.41x = 515.42 × 281.99 - Step 4: Simplify right side
344.41x = 145,341.98 - Step 5: Solve for x
x = 145,341.98/344.41 - Step 6: Final answer
x = 422.00
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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.