Finding the Fourth Proportional to 482.24, 665.44 and 272.36
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Solution
The fourth proportional to 482.24, 665.44 and 272.36 is: 375.83
Step by Step Solution
- Step 1: Write the proportion equation
482.24 : 665.44 = 272.36 : x - Step 2: Convert to fraction form
482.24/665.44 = 272.36/x - Step 3: Cross multiply
482.24x = 665.44 × 272.36 - Step 4: Simplify right side
482.24x = 181,239.24 - Step 5: Solve for x
x = 181,239.24/482.24 - Step 6: Final answer
x = 375.83
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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.