Finding the Fourth Proportional to 262.08, 392.87 and 125.09
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Solution
The fourth proportional to 262.08, 392.87 and 125.09 is: 187.51
Step by Step Solution
- Step 1: Write the proportion equation
262.08 : 392.87 = 125.09 : x - Step 2: Convert to fraction form
262.08/392.87 = 125.09/x - Step 3: Cross multiply
262.08x = 392.87 × 125.09 - Step 4: Simplify right side
262.08x = 49,142.99 - Step 5: Solve for x
x = 49,142.99/262.08 - Step 6: Final answer
x = 187.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.