Finding the Fourth Proportional to 350.28, 525.36 and 93.78
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Solution
The fourth proportional to 350.28, 525.36 and 93.78 is: 140.65
Step by Step Solution
- Step 1: Write the proportion equation
350.28 : 525.36 = 93.78 : x - Step 2: Convert to fraction form
350.28/525.36 = 93.78/x - Step 3: Cross multiply
350.28x = 525.36 × 93.78 - Step 4: Simplify right side
350.28x = 49,268.26 - Step 5: Solve for x
x = 49,268.26/350.28 - Step 6: Final answer
x = 140.65
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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.