Finding the Fourth Proportional to 204.21, 304.67 and 170.19
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Solution
The fourth proportional to 204.21, 304.67 and 170.19 is: 253.91
Step by Step Solution
- Step 1: Write the proportion equation
204.21 : 304.67 = 170.19 : x - Step 2: Convert to fraction form
204.21/304.67 = 170.19/x - Step 3: Cross multiply
204.21x = 304.67 × 170.19 - Step 4: Simplify right side
204.21x = 51,850.94 - Step 5: Solve for x
x = 51,850.94/204.21 - Step 6: Final answer
x = 253.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.