Finding the Fourth Proportional to 267.67, 400.48 and 266.99
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Solution
The fourth proportional to 267.67, 400.48 and 266.99 is: 399.46
Step by Step Solution
- Step 1: Write the proportion equation
267.67 : 400.48 = 266.99 : x - Step 2: Convert to fraction form
267.67/400.48 = 266.99/x - Step 3: Cross multiply
267.67x = 400.48 × 266.99 - Step 4: Simplify right side
267.67x = 106,921.49 - Step 5: Solve for x
x = 106,921.49/267.67 - Step 6: Final answer
x = 399.46
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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.