Finding the Fourth Proportional to 74.10, 102.26 and 44.99
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Solution
The fourth proportional to 74.10, 102.26 and 44.99 is: 62.08
Step by Step Solution
- Step 1: Write the proportion equation
74.10 : 102.26 = 44.99 : x - Step 2: Convert to fraction form
74.10/102.26 = 44.99/x - Step 3: Cross multiply
74.10x = 102.26 × 44.99 - Step 4: Simplify right side
74.10x = 4,600.45 - Step 5: Solve for x
x = 4,600.45/74.10 - Step 6: Final answer
x = 62.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.