Finding the Fourth Proportional to 317.26, 476.34 and 202.42
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Solution
The fourth proportional to 317.26, 476.34 and 202.42 is: 303.92
Step by Step Solution
- Step 1: Write the proportion equation
317.26 : 476.34 = 202.42 : x - Step 2: Convert to fraction form
317.26/476.34 = 202.42/x - Step 3: Cross multiply
317.26x = 476.34 × 202.42 - Step 4: Simplify right side
317.26x = 96,420.74 - Step 5: Solve for x
x = 96,420.74/317.26 - Step 6: Final answer
x = 303.92
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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.