Finding the Fourth Proportional to 393.94, 590.99 and 133.95
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Solution
The fourth proportional to 393.94, 590.99 and 133.95 is: 200.94
Step by Step Solution
- Step 1: Write the proportion equation
393.94 : 590.99 = 133.95 : x - Step 2: Convert to fraction form
393.94/590.99 = 133.95/x - Step 3: Cross multiply
393.94x = 590.99 × 133.95 - Step 4: Simplify right side
393.94x = 79,160.16 - Step 5: Solve for x
x = 79,160.16/393.94 - Step 6: Final answer
x = 200.94
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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.