Finding the Fourth Proportional to 62.21, 86.27 and 60.53
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Solution
The fourth proportional to 62.21, 86.27 and 60.53 is: 83.94
Step by Step Solution
- Step 1: Write the proportion equation
62.21 : 86.27 = 60.53 : x - Step 2: Convert to fraction form
62.21/86.27 = 60.53/x - Step 3: Cross multiply
62.21x = 86.27 × 60.53 - Step 4: Simplify right side
62.21x = 5,221.19 - Step 5: Solve for x
x = 5,221.19/62.21 - Step 6: Final answer
x = 83.94
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.