Finding the Fourth Proportional to 115.98, 173.95 and 50.99
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Solution
The fourth proportional to 115.98, 173.95 and 50.99 is: 76.48
Step by Step Solution
- Step 1: Write the proportion equation
115.98 : 173.95 = 50.99 : x - Step 2: Convert to fraction form
115.98/173.95 = 50.99/x - Step 3: Cross multiply
115.98x = 173.95 × 50.99 - Step 4: Simplify right side
115.98x = 8,869.71 - Step 5: Solve for x
x = 8,869.71/115.98 - Step 6: Final answer
x = 76.48
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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.