Finding the Fourth Proportional to 358.08, 533.79 and 337.20
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Solution
The fourth proportional to 358.08, 533.79 and 337.20 is: 502.66
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 533.79 = 337.20 : x - Step 2: Convert to fraction form
358.08/533.79 = 337.20/x - Step 3: Cross multiply
358.08x = 533.79 × 337.20 - Step 4: Simplify right side
358.08x = 179,993.99 - Step 5: Solve for x
x = 179,993.99/358.08 - Step 6: Final answer
x = 502.66
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.