Finding the Fourth Proportional to 479.17, 660.99 and 282.68
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Solution
The fourth proportional to 479.17, 660.99 and 282.68 is: 389.94
Step by Step Solution
- Step 1: Write the proportion equation
479.17 : 660.99 = 282.68 : x - Step 2: Convert to fraction form
479.17/660.99 = 282.68/x - Step 3: Cross multiply
479.17x = 660.99 × 282.68 - Step 4: Simplify right side
479.17x = 186,848.65 - Step 5: Solve for x
x = 186,848.65/479.17 - Step 6: Final answer
x = 389.94
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