Finding the Fourth Proportional to 444.48, 665.74 and 306.91
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Solution
The fourth proportional to 444.48, 665.74 and 306.91 is: 459.69
Step by Step Solution
- Step 1: Write the proportion equation
444.48 : 665.74 = 306.91 : x - Step 2: Convert to fraction form
444.48/665.74 = 306.91/x - Step 3: Cross multiply
444.48x = 665.74 × 306.91 - Step 4: Simplify right side
444.48x = 204,322.26 - Step 5: Solve for x
x = 204,322.26/444.48 - Step 6: Final answer
x = 459.69
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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.