Finding the Fourth Proportional to 396.97, 595.80 and 188.99
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Solution
The fourth proportional to 396.97, 595.80 and 188.99 is: 283.65
Step by Step Solution
- Step 1: Write the proportion equation
396.97 : 595.80 = 188.99 : x - Step 2: Convert to fraction form
396.97/595.80 = 188.99/x - Step 3: Cross multiply
396.97x = 595.80 × 188.99 - Step 4: Simplify right side
396.97x = 112,600.38 - Step 5: Solve for x
x = 112,600.38/396.97 - Step 6: Final answer
x = 283.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.