Finding the Fourth Proportional to 267.36, 400.08 and 190.08
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Solution
The fourth proportional to 267.36, 400.08 and 190.08 is: 284.44
Step by Step Solution
- Step 1: Write the proportion equation
267.36 : 400.08 = 190.08 : x - Step 2: Convert to fraction form
267.36/400.08 = 190.08/x - Step 3: Cross multiply
267.36x = 400.08 × 190.08 - Step 4: Simplify right side
267.36x = 76,047.21 - Step 5: Solve for x
x = 76,047.21/267.36 - Step 6: Final answer
x = 284.44
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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.