Finding the Fourth Proportional to 649, 896 and 494.04
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Solution
The fourth proportional to 649, 896 and 494.04 is: 682.06
Step by Step Solution
- Step 1: Write the proportion equation
649 : 896 = 494.04 : x - Step 2: Convert to fraction form
649/896 = 494.04/x - Step 3: Cross multiply
649x = 896 × 494.04 - Step 4: Simplify right side
649x = 442,659.84 - Step 5: Solve for x
x = 442,659.84/649 - Step 6: Final answer
x = 682.06
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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.