Finding the Fourth Proportional to 350.42, 525.62 and 93.92
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Solution
The fourth proportional to 350.42, 525.62 and 93.92 is: 140.87
Step by Step Solution
- Step 1: Write the proportion equation
350.42 : 525.62 = 93.92 : x - Step 2: Convert to fraction form
350.42/525.62 = 93.92/x - Step 3: Cross multiply
350.42x = 525.62 × 93.92 - Step 4: Simplify right side
350.42x = 49,363.13 - Step 5: Solve for x
x = 49,363.13/350.42 - Step 6: Final answer
x = 140.87
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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.