Finding the Fourth Proportional to 332.63, 499.13 and 161.63
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Solution
The fourth proportional to 332.63, 499.13 and 161.63 is: 242.53
Step by Step Solution
- Step 1: Write the proportion equation
332.63 : 499.13 = 161.63 : x - Step 2: Convert to fraction form
332.63/499.13 = 161.63/x - Step 3: Cross multiply
332.63x = 499.13 × 161.63 - Step 4: Simplify right side
332.63x = 80,671.08 - Step 5: Solve for x
x = 80,671.08/332.63 - Step 6: Final answer
x = 242.53
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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.