Finding the Fourth Proportional to 317.37, 437.87 and 192.99
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Solution
The fourth proportional to 317.37, 437.87 and 192.99 is: 266.27
Step by Step Solution
- Step 1: Write the proportion equation
317.37 : 437.87 = 192.99 : x - Step 2: Convert to fraction form
317.37/437.87 = 192.99/x - Step 3: Cross multiply
317.37x = 437.87 × 192.99 - Step 4: Simplify right side
317.37x = 84,504.53 - Step 5: Solve for x
x = 84,504.53/317.37 - Step 6: Final answer
x = 266.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.