Finding the Fourth Proportional to 351.54, 484.65 and 252.99
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Solution
The fourth proportional to 351.54, 484.65 and 252.99 is: 348.78
Step by Step Solution
- Step 1: Write the proportion equation
351.54 : 484.65 = 252.99 : x - Step 2: Convert to fraction form
351.54/484.65 = 252.99/x - Step 3: Cross multiply
351.54x = 484.65 × 252.99 - Step 4: Simplify right side
351.54x = 122,611.60 - Step 5: Solve for x
x = 122,611.60/351.54 - Step 6: Final answer
x = 348.78
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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.