Finding the Fourth Proportional to 608.74, 911.80 and 565.99
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Solution
The fourth proportional to 608.74, 911.80 and 565.99 is: 847.77
Step by Step Solution
- Step 1: Write the proportion equation
608.74 : 911.80 = 565.99 : x - Step 2: Convert to fraction form
608.74/911.80 = 565.99/x - Step 3: Cross multiply
608.74x = 911.80 × 565.99 - Step 4: Simplify right side
608.74x = 516,069.68 - Step 5: Solve for x
x = 516,069.68/608.74 - Step 6: Final answer
x = 847.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.