Finding the Fourth Proportional to 335.22, 462.63 and 210.99
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Solution
The fourth proportional to 335.22, 462.63 and 210.99 is: 291.18
Step by Step Solution
- Step 1: Write the proportion equation
335.22 : 462.63 = 210.99 : x - Step 2: Convert to fraction form
335.22/462.63 = 210.99/x - Step 3: Cross multiply
335.22x = 462.63 × 210.99 - Step 4: Simplify right side
335.22x = 97,610.30 - Step 5: Solve for x
x = 97,610.30/335.22 - Step 6: Final answer
x = 291.18
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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.