Finding the Fourth Proportional to 262.62, 393.93 and 125.63
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Solution
The fourth proportional to 262.62, 393.93 and 125.63 is: 188.45
Step by Step Solution
- Step 1: Write the proportion equation
262.62 : 393.93 = 125.63 : x - Step 2: Convert to fraction form
262.62/393.93 = 125.63/x - Step 3: Cross multiply
262.62x = 393.93 × 125.63 - Step 4: Simplify right side
262.62x = 49,488.80 - Step 5: Solve for x
x = 49,488.80/262.62 - Step 6: Final answer
x = 188.45
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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.