Finding the Fourth Proportional to 350.21, 525.26 and 133.79
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Solution
The fourth proportional to 350.21, 525.26 and 133.79 is: 200.66
Step by Step Solution
- Step 1: Write the proportion equation
350.21 : 525.26 = 133.79 : x - Step 2: Convert to fraction form
350.21/525.26 = 133.79/x - Step 3: Cross multiply
350.21x = 525.26 × 133.79 - Step 4: Simplify right side
350.21x = 70,271.24 - Step 5: Solve for x
x = 70,271.24/350.21 - Step 6: Final answer
x = 200.66
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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.