Finding the Fourth Proportional to 350.18, 483.21 and 202.79
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Solution
The fourth proportional to 350.18, 483.21 and 202.79 is: 279.82
Step by Step Solution
- Step 1: Write the proportion equation
350.18 : 483.21 = 202.79 : x - Step 2: Convert to fraction form
350.18/483.21 = 202.79/x - Step 3: Cross multiply
350.18x = 483.21 × 202.79 - Step 4: Simplify right side
350.18x = 97,989.45 - Step 5: Solve for x
x = 97,989.45/350.18 - Step 6: Final answer
x = 279.82
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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.