Finding the Fourth Proportional to 254.64, 381.63 and 132.99
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Solution
The fourth proportional to 254.64, 381.63 and 132.99 is: 199.31
Step by Step Solution
- Step 1: Write the proportion equation
254.64 : 381.63 = 132.99 : x - Step 2: Convert to fraction form
254.64/381.63 = 132.99/x - Step 3: Cross multiply
254.64x = 381.63 × 132.99 - Step 4: Simplify right side
254.64x = 50,752.97 - Step 5: Solve for x
x = 50,752.97/254.64 - Step 6: Final answer
x = 199.31
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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.