Finding the Fourth Proportional to 105.03, 157.41 and 44.08
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Solution
The fourth proportional to 105.03, 157.41 and 44.08 is: 66.06
Step by Step Solution
- Step 1: Write the proportion equation
105.03 : 157.41 = 44.08 : x - Step 2: Convert to fraction form
105.03/157.41 = 44.08/x - Step 3: Cross multiply
105.03x = 157.41 × 44.08 - Step 4: Simplify right side
105.03x = 6,938.24 - Step 5: Solve for x
x = 6,938.24/105.03 - Step 6: Final answer
x = 66.06
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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.