Finding the Fourth Proportional to 317.28, 476.14 and 195.17
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Solution
The fourth proportional to 317.28, 476.14 and 195.17 is: 292.89
Step by Step Solution
- Step 1: Write the proportion equation
317.28 : 476.14 = 195.17 : x - Step 2: Convert to fraction form
317.28/476.14 = 195.17/x - Step 3: Cross multiply
317.28x = 476.14 × 195.17 - Step 4: Simplify right side
317.28x = 92,928.24 - Step 5: Solve for x
x = 92,928.24/317.28 - Step 6: Final answer
x = 292.89
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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.