Finding the Fourth Proportional to 328.60, 453.26 and 263
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Solution
The fourth proportional to 328.60, 453.26 and 263 is: 362.77
Step by Step Solution
- Step 1: Write the proportion equation
328.60 : 453.26 = 263 : x - Step 2: Convert to fraction form
328.60/453.26 = 263/x - Step 3: Cross multiply
328.60x = 453.26 × 263 - Step 4: Simplify right side
328.60x = 119,207.38 - Step 5: Solve for x
x = 119,207.38/328.60 - Step 6: Final answer
x = 362.77
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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.