Finding the Fourth Proportional to 848.08, 1,170.05 and 474.99
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Solution
The fourth proportional to 848.08, 1,170.05 and 474.99 is: 655.32
Step by Step Solution
- Step 1: Write the proportion equation
848.08 : 1,170.05 = 474.99 : x - Step 2: Convert to fraction form
848.08/1,170.05 = 474.99/x - Step 3: Cross multiply
848.08x = 1,170.05 × 474.99 - Step 4: Simplify right side
848.08x = 555,762.05 - Step 5: Solve for x
x = 555,762.05/848.08 - Step 6: Final answer
x = 655.32
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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.