Finding the Fourth Proportional to 529.36, 790.42 and 474.16
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Solution
The fourth proportional to 529.36, 790.42 and 474.16 is: 708.00
Step by Step Solution
- Step 1: Write the proportion equation
529.36 : 790.42 = 474.16 : x - Step 2: Convert to fraction form
529.36/790.42 = 474.16/x - Step 3: Cross multiply
529.36x = 790.42 × 474.16 - Step 4: Simplify right side
529.36x = 374,785.55 - Step 5: Solve for x
x = 374,785.55/529.36 - Step 6: Final answer
x = 708.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.