Finding the Fourth Proportional to 338.94, 507.99 and 133.41
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Solution
The fourth proportional to 338.94, 507.99 and 133.41 is: 199.95
Step by Step Solution
- Step 1: Write the proportion equation
338.94 : 507.99 = 133.41 : x - Step 2: Convert to fraction form
338.94/507.99 = 133.41/x - Step 3: Cross multiply
338.94x = 507.99 × 133.41 - Step 4: Simplify right side
338.94x = 67,770.95 - Step 5: Solve for x
x = 67,770.95/338.94 - Step 6: Final answer
x = 199.95
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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.