Finding the Fourth Proportional to 906.48, 1,357.79 and 558.99
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Solution
The fourth proportional to 906.48, 1,357.79 and 558.99 is: 837.29
Step by Step Solution
- Step 1: Write the proportion equation
906.48 : 1,357.79 = 558.99 : x - Step 2: Convert to fraction form
906.48/1,357.79 = 558.99/x - Step 3: Cross multiply
906.48x = 1,357.79 × 558.99 - Step 4: Simplify right side
906.48x = 758,988.24 - Step 5: Solve for x
x = 758,988.24/906.48 - Step 6: Final answer
x = 837.29
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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.