Finding the Fourth Proportional to 304.24, 419.63 and 210.99
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Solution
The fourth proportional to 304.24, 419.63 and 210.99 is: 291.01
Step by Step Solution
- Step 1: Write the proportion equation
304.24 : 419.63 = 210.99 : x - Step 2: Convert to fraction form
304.24/419.63 = 210.99/x - Step 3: Cross multiply
304.24x = 419.63 × 210.99 - Step 4: Simplify right side
304.24x = 88,537.73 - Step 5: Solve for x
x = 88,537.73/304.24 - Step 6: Final answer
x = 291.01
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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.