Finding the Fourth Proportional to 305.65, 459.13 and 265.99
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Solution
The fourth proportional to 305.65, 459.13 and 265.99 is: 399.56
Step by Step Solution
- Step 1: Write the proportion equation
305.65 : 459.13 = 265.99 : x - Step 2: Convert to fraction form
305.65/459.13 = 265.99/x - Step 3: Cross multiply
305.65x = 459.13 × 265.99 - Step 4: Simplify right side
305.65x = 122,123.99 - Step 5: Solve for x
x = 122,123.99/305.65 - Step 6: Final answer
x = 399.56
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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.