Finding the Fourth Proportional to 393.08, 589.84 and 176.66
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Solution
The fourth proportional to 393.08, 589.84 and 176.66 is: 265.09
Step by Step Solution
- Step 1: Write the proportion equation
393.08 : 589.84 = 176.66 : x - Step 2: Convert to fraction form
393.08/589.84 = 176.66/x - Step 3: Cross multiply
393.08x = 589.84 × 176.66 - Step 4: Simplify right side
393.08x = 104,201.13 - Step 5: Solve for x
x = 104,201.13/393.08 - Step 6: Final answer
x = 265.09
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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.