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Finding the Fourth Proportional to 593.46, 890.36 and 519.65

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Solution

The fourth proportional to 593.46, 890.36 and 519.65 is: 779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.46 : 890.36 = 519.65 : x
  2. Step 2: Convert to fraction form
    593.46/890.36 = 519.65/x
  3. Step 3: Cross multiply
    593.46x = 890.36 × 519.65
  4. Step 4: Simplify right side
    593.46x = 462,673.81
  5. Step 5: Solve for x
    x = 462,673.81/593.46
  6. Step 6: Final answer
    x = 779.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.