Finding the Fourth Proportional to 511.67, 767.50 and 267.68
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Solution
The fourth proportional to 511.67, 767.50 and 267.68 is: 401.52
Step by Step Solution
- Step 1: Write the proportion equation
511.67 : 767.50 = 267.68 : x - Step 2: Convert to fraction form
511.67/767.50 = 267.68/x - Step 3: Cross multiply
511.67x = 767.50 × 267.68 - Step 4: Simplify right side
511.67x = 205,444.24 - Step 5: Solve for x
x = 205,444.24/511.67 - Step 6: Final answer
x = 401.52
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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.