Finding the Fourth Proportional to 425.93, 587.84 and 239.43
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Solution
The fourth proportional to 425.93, 587.84 and 239.43 is: 330.45
Step by Step Solution
- Step 1: Write the proportion equation
425.93 : 587.84 = 239.43 : x - Step 2: Convert to fraction form
425.93/587.84 = 239.43/x - Step 3: Cross multiply
425.93x = 587.84 × 239.43 - Step 4: Simplify right side
425.93x = 140,747.23 - Step 5: Solve for x
x = 140,747.23/425.93 - Step 6: Final answer
x = 330.45
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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.