Finding the Fourth Proportional to 317.41, 475.88 and 214.44
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Solution
The fourth proportional to 317.41, 475.88 and 214.44 is: 321.51
Step by Step Solution
- Step 1: Write the proportion equation
317.41 : 475.88 = 214.44 : x - Step 2: Convert to fraction form
317.41/475.88 = 214.44/x - Step 3: Cross multiply
317.41x = 475.88 × 214.44 - Step 4: Simplify right side
317.41x = 102,048.24 - Step 5: Solve for x
x = 102,048.24/317.41 - Step 6: Final answer
x = 321.51
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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.