Finding the Fourth Proportional to 442.09, 609.99 and 267.43
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Solution
The fourth proportional to 442.09, 609.99 and 267.43 is: 368.99
Step by Step Solution
- Step 1: Write the proportion equation
442.09 : 609.99 = 267.43 : x - Step 2: Convert to fraction form
442.09/609.99 = 267.43/x - Step 3: Cross multiply
442.09x = 609.99 × 267.43 - Step 4: Simplify right side
442.09x = 163,128.96 - Step 5: Solve for x
x = 163,128.96/442.09 - Step 6: Final answer
x = 368.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.