Finding the Fourth Proportional to 377.21, 520.08 and 245.99
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Solution
The fourth proportional to 377.21, 520.08 and 245.99 is: 339.16
Step by Step Solution
- Step 1: Write the proportion equation
377.21 : 520.08 = 245.99 : x - Step 2: Convert to fraction form
377.21/520.08 = 245.99/x - Step 3: Cross multiply
377.21x = 520.08 × 245.99 - Step 4: Simplify right side
377.21x = 127,934.48 - Step 5: Solve for x
x = 127,934.48/377.21 - Step 6: Final answer
x = 339.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.