Finding the Fourth Proportional to 506.80, 700.20 and 467.92
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Solution
The fourth proportional to 506.80, 700.20 and 467.92 is: 646.48
Step by Step Solution
- Step 1: Write the proportion equation
506.80 : 700.20 = 467.92 : x - Step 2: Convert to fraction form
506.80/700.20 = 467.92/x - Step 3: Cross multiply
506.80x = 700.20 × 467.92 - Step 4: Simplify right side
506.80x = 327,637.58 - Step 5: Solve for x
x = 327,637.58/506.80 - Step 6: Final answer
x = 646.48
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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.