Finding the Fourth Proportional to 602.91, 903.11 and 438.26
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Solution
The fourth proportional to 602.91, 903.11 and 438.26 is: 656.47
Step by Step Solution
- Step 1: Write the proportion equation
602.91 : 903.11 = 438.26 : x - Step 2: Convert to fraction form
602.91/903.11 = 438.26/x - Step 3: Cross multiply
602.91x = 903.11 × 438.26 - Step 4: Simplify right side
602.91x = 395,790.28 - Step 5: Solve for x
x = 395,790.28/602.91 - Step 6: Final answer
x = 656.47
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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.