Finding the Fourth Proportional to 434.79, 600.89 and 347.31
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Solution
The fourth proportional to 434.79, 600.89 and 347.31 is: 479.99
Step by Step Solution
- Step 1: Write the proportion equation
434.79 : 600.89 = 347.31 : x - Step 2: Convert to fraction form
434.79/600.89 = 347.31/x - Step 3: Cross multiply
434.79x = 600.89 × 347.31 - Step 4: Simplify right side
434.79x = 208,693.37 - Step 5: Solve for x
x = 208,693.37/434.79 - Step 6: Final answer
x = 479.99
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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.