Finding the Fourth Proportional to 560.06, 772.57 and 349.98
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Solution
The fourth proportional to 560.06, 772.57 and 349.98 is: 482.78
Step by Step Solution
- Step 1: Write the proportion equation
560.06 : 772.57 = 349.98 : x - Step 2: Convert to fraction form
560.06/772.57 = 349.98/x - Step 3: Cross multiply
560.06x = 772.57 × 349.98 - Step 4: Simplify right side
560.06x = 270,384.05 - Step 5: Solve for x
x = 270,384.05/560.06 - Step 6: Final answer
x = 482.78
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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.