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Finding the Fourth Proportional to 586.96, 809.84 and 350.92

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Solution

The fourth proportional to 586.96, 809.84 and 350.92 is: 484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.96 : 809.84 = 350.92 : x
  2. Step 2: Convert to fraction form
    586.96/809.84 = 350.92/x
  3. Step 3: Cross multiply
    586.96x = 809.84 × 350.92
  4. Step 4: Simplify right side
    586.96x = 284,189.05
  5. Step 5: Solve for x
    x = 284,189.05/586.96
  6. Step 6: Final answer
    x = 484.17

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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.