Finding the Fourth Proportional to 601.16, 829.70 and 474.83
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Solution
The fourth proportional to 601.16, 829.70 and 474.83 is: 655.35
Step by Step Solution
- Step 1: Write the proportion equation
601.16 : 829.70 = 474.83 : x - Step 2: Convert to fraction form
601.16/829.70 = 474.83/x - Step 3: Cross multiply
601.16x = 829.70 × 474.83 - Step 4: Simplify right side
601.16x = 393,964.08 - Step 5: Solve for x
x = 393,964.08/601.16 - Step 6: Final answer
x = 655.35
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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.