Finding the Fourth Proportional to 317.08, 475.62 and 248.44
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Solution
The fourth proportional to 317.08, 475.62 and 248.44 is: 372.66
Step by Step Solution
- Step 1: Write the proportion equation
317.08 : 475.62 = 248.44 : x - Step 2: Convert to fraction form
317.08/475.62 = 248.44/x - Step 3: Cross multiply
317.08x = 475.62 × 248.44 - Step 4: Simplify right side
317.08x = 118,163.03 - Step 5: Solve for x
x = 118,163.03/317.08 - Step 6: Final answer
x = 372.66
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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.