Finding the Fourth Proportional to 845.36, 1,267.68 and 332
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Solution
The fourth proportional to 845.36, 1,267.68 and 332 is: 497.86
Step by Step Solution
- Step 1: Write the proportion equation
845.36 : 1,267.68 = 332 : x - Step 2: Convert to fraction form
845.36/1,267.68 = 332/x - Step 3: Cross multiply
845.36x = 1,267.68 × 332 - Step 4: Simplify right side
845.36x = 420,869.76 - Step 5: Solve for x
x = 420,869.76/845.36 - Step 6: Final answer
x = 497.86
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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.