Finding the Fourth Proportional to 376.75, 565.08 and 157.31
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Solution
The fourth proportional to 376.75, 565.08 and 157.31 is: 235.94
Step by Step Solution
- Step 1: Write the proportion equation
376.75 : 565.08 = 157.31 : x - Step 2: Convert to fraction form
376.75/565.08 = 157.31/x - Step 3: Cross multiply
376.75x = 565.08 × 157.31 - Step 4: Simplify right side
376.75x = 88,891.44 - Step 5: Solve for x
x = 88,891.44/376.75 - Step 6: Final answer
x = 235.94
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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.