Finding the Fourth Proportional to 212.87, 294.99 and 210.26
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Solution
The fourth proportional to 212.87, 294.99 and 210.26 is: 291.37
Step by Step Solution
- Step 1: Write the proportion equation
212.87 : 294.99 = 210.26 : x - Step 2: Convert to fraction form
212.87/294.99 = 210.26/x - Step 3: Cross multiply
212.87x = 294.99 × 210.26 - Step 4: Simplify right side
212.87x = 62,023.12 - Step 5: Solve for x
x = 62,023.12/212.87 - Step 6: Final answer
x = 291.37
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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.