Finding the Fourth Proportional to 346.23, 477.45 and 252.99
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Solution
The fourth proportional to 346.23, 477.45 and 252.99 is: 348.87
Step by Step Solution
- Step 1: Write the proportion equation
346.23 : 477.45 = 252.99 : x - Step 2: Convert to fraction form
346.23/477.45 = 252.99/x - Step 3: Cross multiply
346.23x = 477.45 × 252.99 - Step 4: Simplify right side
346.23x = 120,790.08 - Step 5: Solve for x
x = 120,790.08/346.23 - Step 6: Final answer
x = 348.87
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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.