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Finding the Fourth Proportional to 586.86, 809.73 and 350.88

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Solution

The fourth proportional to 586.86, 809.73 and 350.88 is: 484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.86 : 809.73 = 350.88 : x
  2. Step 2: Convert to fraction form
    586.86/809.73 = 350.88/x
  3. Step 3: Cross multiply
    586.86x = 809.73 × 350.88
  4. Step 4: Simplify right side
    586.86x = 284,118.06
  5. Step 5: Solve for x
    x = 284,118.06/586.86
  6. Step 6: Final answer
    x = 484.13

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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.