Finding the Fourth Proportional to 431.19, 594.68 and 291.26
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Solution
The fourth proportional to 431.19, 594.68 and 291.26 is: 401.69
Step by Step Solution
- Step 1: Write the proportion equation
431.19 : 594.68 = 291.26 : x - Step 2: Convert to fraction form
431.19/594.68 = 291.26/x - Step 3: Cross multiply
431.19x = 594.68 × 291.26 - Step 4: Simplify right side
431.19x = 173,206.53 - Step 5: Solve for x
x = 173,206.53/431.19 - Step 6: Final answer
x = 401.69
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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.