Finding the Fourth Proportional to 163.54, 245.36 and 47.99
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Solution
The fourth proportional to 163.54, 245.36 and 47.99 is: 72.00
Step by Step Solution
- Step 1: Write the proportion equation
163.54 : 245.36 = 47.99 : x - Step 2: Convert to fraction form
163.54/245.36 = 47.99/x - Step 3: Cross multiply
163.54x = 245.36 × 47.99 - Step 4: Simplify right side
163.54x = 11,774.37 - Step 5: Solve for x
x = 11,774.37/163.54 - Step 6: Final answer
x = 72.00
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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.