Finding the Fourth Proportional to 392.93, 589.44 and 161.76
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Solution
The fourth proportional to 392.93, 589.44 and 161.76 is: 242.66
Step by Step Solution
- Step 1: Write the proportion equation
392.93 : 589.44 = 161.76 : x - Step 2: Convert to fraction form
392.93/589.44 = 161.76/x - Step 3: Cross multiply
392.93x = 589.44 × 161.76 - Step 4: Simplify right side
392.93x = 95,347.81 - Step 5: Solve for x
x = 95,347.81/392.93 - Step 6: Final answer
x = 242.66
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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.