Finding the Fourth Proportional to 694.58, 958.91 and 432.95
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Solution
The fourth proportional to 694.58, 958.91 and 432.95 is: 597.71
Step by Step Solution
- Step 1: Write the proportion equation
694.58 : 958.91 = 432.95 : x - Step 2: Convert to fraction form
694.58/958.91 = 432.95/x - Step 3: Cross multiply
694.58x = 958.91 × 432.95 - Step 4: Simplify right side
694.58x = 415,153.13 - Step 5: Solve for x
x = 415,153.13/694.58 - Step 6: Final answer
x = 597.71
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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.