Finding the Fourth Proportional to 396.95, 595.19 and 122.99
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Solution
The fourth proportional to 396.95, 595.19 and 122.99 is: 184.41
Step by Step Solution
- Step 1: Write the proportion equation
396.95 : 595.19 = 122.99 : x - Step 2: Convert to fraction form
396.95/595.19 = 122.99/x - Step 3: Cross multiply
396.95x = 595.19 × 122.99 - Step 4: Simplify right side
396.95x = 73,199.75 - Step 5: Solve for x
x = 73,199.75/396.95 - Step 6: Final answer
x = 184.41
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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.