Finding the Fourth Proportional to 396.99, 595.53 and 180.54
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Solution
The fourth proportional to 396.99, 595.53 and 180.54 is: 270.83
Step by Step Solution
- Step 1: Write the proportion equation
396.99 : 595.53 = 180.54 : x - Step 2: Convert to fraction form
396.99/595.53 = 180.54/x - Step 3: Cross multiply
396.99x = 595.53 × 180.54 - Step 4: Simplify right side
396.99x = 107,516.99 - Step 5: Solve for x
x = 107,516.99/396.99 - Step 6: Final answer
x = 270.83
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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.