Finding the Fourth Proportional to 423.70, 584.68 and 237.19
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Solution
The fourth proportional to 423.70, 584.68 and 237.19 is: 327.31
Step by Step Solution
- Step 1: Write the proportion equation
423.70 : 584.68 = 237.19 : x - Step 2: Convert to fraction form
423.70/584.68 = 237.19/x - Step 3: Cross multiply
423.70x = 584.68 × 237.19 - Step 4: Simplify right side
423.70x = 138,680.25 - Step 5: Solve for x
x = 138,680.25/423.70 - Step 6: Final answer
x = 327.31
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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.