Finding the Fourth Proportional to 84.44, 126.14 and 58.55
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Solution
The fourth proportional to 84.44, 126.14 and 58.55 is: 87.45
Step by Step Solution
- Step 1: Write the proportion equation
84.44 : 126.14 = 58.55 : x - Step 2: Convert to fraction form
84.44/126.14 = 58.55/x - Step 3: Cross multiply
84.44x = 126.14 × 58.55 - Step 4: Simplify right side
84.44x = 7,384.57 - Step 5: Solve for x
x = 7,384.57/84.44 - Step 6: Final answer
x = 87.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.