Finding the Fourth Proportional to 317.07, 474.99 and 195.06
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Solution
The fourth proportional to 317.07, 474.99 and 195.06 is: 292.21
Step by Step Solution
- Step 1: Write the proportion equation
317.07 : 474.99 = 195.06 : x - Step 2: Convert to fraction form
317.07/474.99 = 195.06/x - Step 3: Cross multiply
317.07x = 474.99 × 195.06 - Step 4: Simplify right side
317.07x = 92,651.55 - Step 5: Solve for x
x = 92,651.55/317.07 - Step 6: Final answer
x = 292.21
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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.