Finding the Fourth Proportional to 403.99, 557.99 and 264.57
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Solution
The fourth proportional to 403.99, 557.99 and 264.57 is: 365.42
Step by Step Solution
- Step 1: Write the proportion equation
403.99 : 557.99 = 264.57 : x - Step 2: Convert to fraction form
403.99/557.99 = 264.57/x - Step 3: Cross multiply
403.99x = 557.99 × 264.57 - Step 4: Simplify right side
403.99x = 147,624.99 - Step 5: Solve for x
x = 147,624.99/403.99 - Step 6: Final answer
x = 365.42
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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.