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Finding the Fourth Proportional to 586.80, 809.49 and 365.88

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Solution

The fourth proportional to 586.80, 809.49 and 365.88 is: 504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.80 : 809.49 = 365.88 : x
  2. Step 2: Convert to fraction form
    586.80/809.49 = 365.88/x
  3. Step 3: Cross multiply
    586.80x = 809.49 × 365.88
  4. Step 4: Simplify right side
    586.80x = 296,176.20
  5. Step 5: Solve for x
    x = 296,176.20/586.80
  6. Step 6: Final answer
    x = 504.73

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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.