Finding the Fourth Proportional to 267.08, 400.58 and 122.78
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Solution
The fourth proportional to 267.08, 400.58 and 122.78 is: 184.15
Step by Step Solution
- Step 1: Write the proportion equation
267.08 : 400.58 = 122.78 : x - Step 2: Convert to fraction form
267.08/400.58 = 122.78/x - Step 3: Cross multiply
267.08x = 400.58 × 122.78 - Step 4: Simplify right side
267.08x = 49,183.21 - Step 5: Solve for x
x = 49,183.21/267.08 - Step 6: Final answer
x = 184.15
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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.