Finding the Fourth Proportional to 358.08, 534.93 and 286.02
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Solution
The fourth proportional to 358.08, 534.93 and 286.02 is: 427.28
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 534.93 = 286.02 : x - Step 2: Convert to fraction form
358.08/534.93 = 286.02/x - Step 3: Cross multiply
358.08x = 534.93 × 286.02 - Step 4: Simplify right side
358.08x = 153,000.68 - Step 5: Solve for x
x = 153,000.68/358.08 - Step 6: Final answer
x = 427.28
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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.