Finding the Fourth Proportional to 297.09, 409.36 and 252.67
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Solution
The fourth proportional to 297.09, 409.36 and 252.67 is: 348.15
Step by Step Solution
- Step 1: Write the proportion equation
297.09 : 409.36 = 252.67 : x - Step 2: Convert to fraction form
297.09/409.36 = 252.67/x - Step 3: Cross multiply
297.09x = 409.36 × 252.67 - Step 4: Simplify right side
297.09x = 103,432.99 - Step 5: Solve for x
x = 103,432.99/297.09 - Step 6: Final answer
x = 348.15
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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.