Finding the Fourth Proportional to 582.97, 874.47 and 192.99
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Solution
The fourth proportional to 582.97, 874.47 and 192.99 is: 289.49
Step by Step Solution
- Step 1: Write the proportion equation
582.97 : 874.47 = 192.99 : x - Step 2: Convert to fraction form
582.97/874.47 = 192.99/x - Step 3: Cross multiply
582.97x = 874.47 × 192.99 - Step 4: Simplify right side
582.97x = 168,763.97 - Step 5: Solve for x
x = 168,763.97/582.97 - Step 6: Final answer
x = 289.49
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Half scale
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Double scale
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Similar ratio
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1.5x scale
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.