Finding the Fourth Proportional to 376.26, 564.26 and 145.19
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Solution
The fourth proportional to 376.26, 564.26 and 145.19 is: 217.73
Step by Step Solution
- Step 1: Write the proportion equation
376.26 : 564.26 = 145.19 : x - Step 2: Convert to fraction form
376.26/564.26 = 145.19/x - Step 3: Cross multiply
376.26x = 564.26 × 145.19 - Step 4: Simplify right side
376.26x = 81,921.36 - Step 5: Solve for x
x = 81,921.36/376.26 - Step 6: Final answer
x = 217.73
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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.