Finding the Fourth Proportional to 317.58, 476.51 and 201.99
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Solution
The fourth proportional to 317.58, 476.51 and 201.99 is: 303.08
Step by Step Solution
- Step 1: Write the proportion equation
317.58 : 476.51 = 201.99 : x - Step 2: Convert to fraction form
317.58/476.51 = 201.99/x - Step 3: Cross multiply
317.58x = 476.51 × 201.99 - Step 4: Simplify right side
317.58x = 96,251.79 - Step 5: Solve for x
x = 96,251.79/317.58 - Step 6: Final answer
x = 303.08
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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.