Finding the Fourth Proportional to 430.14, 592.92 and 319.44
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Solution
The fourth proportional to 430.14, 592.92 and 319.44 is: 440.33
Step by Step Solution
- Step 1: Write the proportion equation
430.14 : 592.92 = 319.44 : x - Step 2: Convert to fraction form
430.14/592.92 = 319.44/x - Step 3: Cross multiply
430.14x = 592.92 × 319.44 - Step 4: Simplify right side
430.14x = 189,402.36 - Step 5: Solve for x
x = 189,402.36/430.14 - Step 6: Final answer
x = 440.33
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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.