Finding the Fourth Proportional to 482.60, 665.99 and 261.55
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Solution
The fourth proportional to 482.60, 665.99 and 261.55 is: 360.94
Step by Step Solution
- Step 1: Write the proportion equation
482.60 : 665.99 = 261.55 : x - Step 2: Convert to fraction form
482.60/665.99 = 261.55/x - Step 3: Cross multiply
482.60x = 665.99 × 261.55 - Step 4: Simplify right side
482.60x = 174,192.80 - Step 5: Solve for x
x = 174,192.80/482.60 - Step 6: Final answer
x = 360.94
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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.