Finding the Fourth Proportional to 319.58, 441.10 and 267.08
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Solution
The fourth proportional to 319.58, 441.10 and 267.08 is: 368.64
Step by Step Solution
- Step 1: Write the proportion equation
319.58 : 441.10 = 267.08 : x - Step 2: Convert to fraction form
319.58/441.10 = 267.08/x - Step 3: Cross multiply
319.58x = 441.10 × 267.08 - Step 4: Simplify right side
319.58x = 117,808.99 - Step 5: Solve for x
x = 117,808.99/319.58 - Step 6: Final answer
x = 368.64
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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.