Finding the Fourth Proportional to 317.02, 475.44 and 121.99
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Solution
The fourth proportional to 317.02, 475.44 and 121.99 is: 182.95
Step by Step Solution
- Step 1: Write the proportion equation
317.02 : 475.44 = 121.99 : x - Step 2: Convert to fraction form
317.02/475.44 = 121.99/x - Step 3: Cross multiply
317.02x = 475.44 × 121.99 - Step 4: Simplify right side
317.02x = 57,998.93 - Step 5: Solve for x
x = 57,998.93/317.02 - Step 6: Final answer
x = 182.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.