Finding the Fourth Proportional to 338.99, 508.41 and 202.23
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Solution
The fourth proportional to 338.99, 508.41 and 202.23 is: 303.30
Step by Step Solution
- Step 1: Write the proportion equation
338.99 : 508.41 = 202.23 : x - Step 2: Convert to fraction form
338.99/508.41 = 202.23/x - Step 3: Cross multiply
338.99x = 508.41 × 202.23 - Step 4: Simplify right side
338.99x = 102,815.75 - Step 5: Solve for x
x = 102,815.75/338.99 - Step 6: Final answer
x = 303.30
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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.