Finding the Fourth Proportional to 264, 396 and 155.56
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Solution
The fourth proportional to 264, 396 and 155.56 is: 233.34
Step by Step Solution
- Step 1: Write the proportion equation
264 : 396 = 155.56 : x - Step 2: Convert to fraction form
264/396 = 155.56/x - Step 3: Cross multiply
264x = 396 × 155.56 - Step 4: Simplify right side
264x = 61,601.76 - Step 5: Solve for x
x = 61,601.76/264 - Step 6: Final answer
x = 233.34
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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.