Finding the Fourth Proportional to 267.40, 400.54 and 122.68
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Solution
The fourth proportional to 267.40, 400.54 and 122.68 is: 183.76
Step by Step Solution
- Step 1: Write the proportion equation
267.40 : 400.54 = 122.68 : x - Step 2: Convert to fraction form
267.40/400.54 = 122.68/x - Step 3: Cross multiply
267.40x = 400.54 × 122.68 - Step 4: Simplify right side
267.40x = 49,138.25 - Step 5: Solve for x
x = 49,138.25/267.40 - Step 6: Final answer
x = 183.76
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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.