Finding the Fourth Proportional to 430.11, 593.24 and 347.09
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Solution
The fourth proportional to 430.11, 593.24 and 347.09 is: 478.72
Step by Step Solution
- Step 1: Write the proportion equation
430.11 : 593.24 = 347.09 : x - Step 2: Convert to fraction form
430.11/593.24 = 347.09/x - Step 3: Cross multiply
430.11x = 593.24 × 347.09 - Step 4: Simplify right side
430.11x = 205,902.97 - Step 5: Solve for x
x = 205,902.97/430.11 - Step 6: Final answer
x = 478.72
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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.