Finding the Fourth Proportional to 848, 1,170.24 and 474.99
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Solution
The fourth proportional to 848, 1,170.24 and 474.99 is: 655.49
Step by Step Solution
- Step 1: Write the proportion equation
848 : 1,170.24 = 474.99 : x - Step 2: Convert to fraction form
848/1,170.24 = 474.99/x - Step 3: Cross multiply
848x = 1,170.24 × 474.99 - Step 4: Simplify right side
848x = 555,852.30 - Step 5: Solve for x
x = 555,852.30/848 - Step 6: Final answer
x = 655.49
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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.