Finding the Fourth Proportional to 660.52, 990.24 and 276.04
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Solution
The fourth proportional to 660.52, 990.24 and 276.04 is: 413.83
Step by Step Solution
- Step 1: Write the proportion equation
660.52 : 990.24 = 276.04 : x - Step 2: Convert to fraction form
660.52/990.24 = 276.04/x - Step 3: Cross multiply
660.52x = 990.24 × 276.04 - Step 4: Simplify right side
660.52x = 273,345.85 - Step 5: Solve for x
x = 273,345.85/660.52 - Step 6: Final answer
x = 413.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.