Finding the Fourth Proportional to 193.94, 290.95 and 56.99
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Solution
The fourth proportional to 193.94, 290.95 and 56.99 is: 85.50
Step by Step Solution
- Step 1: Write the proportion equation
193.94 : 290.95 = 56.99 : x - Step 2: Convert to fraction form
193.94/290.95 = 56.99/x - Step 3: Cross multiply
193.94x = 290.95 × 56.99 - Step 4: Simplify right side
193.94x = 16,581.24 - Step 5: Solve for x
x = 16,581.24/193.94 - Step 6: Final answer
x = 85.50
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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.