Finding the Fourth Proportional to 423.36, 584.17 and 283.26
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Solution
The fourth proportional to 423.36, 584.17 and 283.26 is: 390.85
Step by Step Solution
- Step 1: Write the proportion equation
423.36 : 584.17 = 283.26 : x - Step 2: Convert to fraction form
423.36/584.17 = 283.26/x - Step 3: Cross multiply
423.36x = 584.17 × 283.26 - Step 4: Simplify right side
423.36x = 165,471.99 - Step 5: Solve for x
x = 165,471.99/423.36 - Step 6: Final answer
x = 390.85
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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.