Finding the Fourth Proportional to 706.99, 1,058.95 and 398.68
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Solution
The fourth proportional to 706.99, 1,058.95 and 398.68 is: 597.15
Step by Step Solution
- Step 1: Write the proportion equation
706.99 : 1,058.95 = 398.68 : x - Step 2: Convert to fraction form
706.99/1,058.95 = 398.68/x - Step 3: Cross multiply
706.99x = 1,058.95 × 398.68 - Step 4: Simplify right side
706.99x = 422,182.19 - Step 5: Solve for x
x = 422,182.19/706.99 - Step 6: Final answer
x = 597.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.