Finding the Fourth Proportional to 394.24, 586.99 and 393.03
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Solution
The fourth proportional to 394.24, 586.99 and 393.03 is: 585.19
Step by Step Solution
- Step 1: Write the proportion equation
394.24 : 586.99 = 393.03 : x - Step 2: Convert to fraction form
394.24/586.99 = 393.03/x - Step 3: Cross multiply
394.24x = 586.99 × 393.03 - Step 4: Simplify right side
394.24x = 230,704.68 - Step 5: Solve for x
x = 230,704.68/394.24 - Step 6: Final answer
x = 585.19
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.