Finding the Fourth Proportional to 349.10, 523.34 and 202.99
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Solution
The fourth proportional to 349.10, 523.34 and 202.99 is: 304.30
Step by Step Solution
- Step 1: Write the proportion equation
349.10 : 523.34 = 202.99 : x - Step 2: Convert to fraction form
349.10/523.34 = 202.99/x - Step 3: Cross multiply
349.10x = 523.34 × 202.99 - Step 4: Simplify right side
349.10x = 106,232.79 - Step 5: Solve for x
x = 106,232.79/349.10 - Step 6: Final answer
x = 304.30
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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.