Finding the Fourth Proportional to 628.63, 943.05 and 195.70
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Solution
The fourth proportional to 628.63, 943.05 and 195.70 is: 293.58
Step by Step Solution
- Step 1: Write the proportion equation
628.63 : 943.05 = 195.70 : x - Step 2: Convert to fraction form
628.63/943.05 = 195.70/x - Step 3: Cross multiply
628.63x = 943.05 × 195.70 - Step 4: Simplify right side
628.63x = 184,549.19 - Step 5: Solve for x
x = 184,549.19/628.63 - Step 6: Final answer
x = 293.58
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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.