Finding the Fourth Proportional to 317.44, 476 and 161.08
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Solution
The fourth proportional to 317.44, 476 and 161.08 is: 241.54
Step by Step Solution
- Step 1: Write the proportion equation
317.44 : 476 = 161.08 : x - Step 2: Convert to fraction form
317.44/476 = 161.08/x - Step 3: Cross multiply
317.44x = 476 × 161.08 - Step 4: Simplify right side
317.44x = 76,674.08 - Step 5: Solve for x
x = 76,674.08/317.44 - Step 6: Final answer
x = 241.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.