Finding the Fourth Proportional to 264.24, 396.28 and 156
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Solution
The fourth proportional to 264.24, 396.28 and 156 is: 233.95
Step by Step Solution
- Step 1: Write the proportion equation
264.24 : 396.28 = 156 : x - Step 2: Convert to fraction form
264.24/396.28 = 156/x - Step 3: Cross multiply
264.24x = 396.28 × 156 - Step 4: Simplify right side
264.24x = 61,819.68 - Step 5: Solve for x
x = 61,819.68/264.24 - Step 6: Final answer
x = 233.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.