Finding the Fourth Proportional to 75.62, 113.45 and 24.26
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Solution
The fourth proportional to 75.62, 113.45 and 24.26 is: 36.39
Step by Step Solution
- Step 1: Write the proportion equation
75.62 : 113.45 = 24.26 : x - Step 2: Convert to fraction form
75.62/113.45 = 24.26/x - Step 3: Cross multiply
75.62x = 113.45 × 24.26 - Step 4: Simplify right side
75.62x = 2,752.18 - Step 5: Solve for x
x = 2,752.18/75.62 - Step 6: Final answer
x = 36.39
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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.