Finding the Fourth Proportional to 397.79, 596.59 and 166.69
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Solution
The fourth proportional to 397.79, 596.59 and 166.69 is: 249.99
Step by Step Solution
- Step 1: Write the proportion equation
397.79 : 596.59 = 166.69 : x - Step 2: Convert to fraction form
397.79/596.59 = 166.69/x - Step 3: Cross multiply
397.79x = 596.59 × 166.69 - Step 4: Simplify right side
397.79x = 99,443.77 - Step 5: Solve for x
x = 99,443.77/397.79 - Step 6: Final answer
x = 249.99
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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.