Finding the Fourth Proportional to 276.06, 413.68 and 143.99
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Solution
The fourth proportional to 276.06, 413.68 and 143.99 is: 215.77
Step by Step Solution
- Step 1: Write the proportion equation
276.06 : 413.68 = 143.99 : x - Step 2: Convert to fraction form
276.06/413.68 = 143.99/x - Step 3: Cross multiply
276.06x = 413.68 × 143.99 - Step 4: Simplify right side
276.06x = 59,565.78 - Step 5: Solve for x
x = 59,565.78/276.06 - Step 6: Final answer
x = 215.77
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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.