Finding the Fourth Proportional to 349.99, 525.08 and 133.59
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Solution
The fourth proportional to 349.99, 525.08 and 133.59 is: 200.42
Step by Step Solution
- Step 1: Write the proportion equation
349.99 : 525.08 = 133.59 : x - Step 2: Convert to fraction form
349.99/525.08 = 133.59/x - Step 3: Cross multiply
349.99x = 525.08 × 133.59 - Step 4: Simplify right side
349.99x = 70,145.44 - Step 5: Solve for x
x = 70,145.44/349.99 - Step 6: Final answer
x = 200.42
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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.