Finding the Fourth Proportional to 540, 745.18 and 303.99
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Solution
The fourth proportional to 540, 745.18 and 303.99 is: 419.49
Step by Step Solution
- Step 1: Write the proportion equation
540 : 745.18 = 303.99 : x - Step 2: Convert to fraction form
540/745.18 = 303.99/x - Step 3: Cross multiply
540x = 745.18 × 303.99 - Step 4: Simplify right side
540x = 226,523.71 - Step 5: Solve for x
x = 226,523.71/540 - Step 6: Final answer
x = 419.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.