Finding the Fourth Proportional to 482.52, 665.88 and 275.52
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Solution
The fourth proportional to 482.52, 665.88 and 275.52 is: 380.22
Step by Step Solution
- Step 1: Write the proportion equation
482.52 : 665.88 = 275.52 : x - Step 2: Convert to fraction form
482.52/665.88 = 275.52/x - Step 3: Cross multiply
482.52x = 665.88 × 275.52 - Step 4: Simplify right side
482.52x = 183,463.26 - Step 5: Solve for x
x = 183,463.26/482.52 - Step 6: Final answer
x = 380.22
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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.