Finding the Fourth Proportional to 284.65, 426.99 and 267.76
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Solution
The fourth proportional to 284.65, 426.99 and 267.76 is: 401.65
Step by Step Solution
- Step 1: Write the proportion equation
284.65 : 426.99 = 267.76 : x - Step 2: Convert to fraction form
284.65/426.99 = 267.76/x - Step 3: Cross multiply
284.65x = 426.99 × 267.76 - Step 4: Simplify right side
284.65x = 114,330.84 - Step 5: Solve for x
x = 114,330.84/284.65 - Step 6: Final answer
x = 401.65
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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.