Finding the Fourth Proportional to 906.93, 1,252.08 and 657.99
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Solution
The fourth proportional to 906.93, 1,252.08 and 657.99 is: 908.40
Step by Step Solution
- Step 1: Write the proportion equation
906.93 : 1,252.08 = 657.99 : x - Step 2: Convert to fraction form
906.93/1,252.08 = 657.99/x - Step 3: Cross multiply
906.93x = 1,252.08 × 657.99 - Step 4: Simplify right side
906.93x = 823,856.12 - Step 5: Solve for x
x = 823,856.12/906.93 - Step 6: Final answer
x = 908.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.