Finding the Fourth Proportional to 392.08, 590.26 and 358.60
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Solution
The fourth proportional to 392.08, 590.26 and 358.60 is: 539.86
Step by Step Solution
- Step 1: Write the proportion equation
392.08 : 590.26 = 358.60 : x - Step 2: Convert to fraction form
392.08/590.26 = 358.60/x - Step 3: Cross multiply
392.08x = 590.26 × 358.60 - Step 4: Simplify right side
392.08x = 211,667.24 - Step 5: Solve for x
x = 211,667.24/392.08 - Step 6: Final answer
x = 539.86
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.