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Finding the Fourth Proportional to 573.99, 792.09 and 500.28

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Solution

The fourth proportional to 573.99, 792.09 and 500.28 is: 690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.99 : 792.09 = 500.28 : x
  2. Step 2: Convert to fraction form
    573.99/792.09 = 500.28/x
  3. Step 3: Cross multiply
    573.99x = 792.09 × 500.28
  4. Step 4: Simplify right side
    573.99x = 396,266.79
  5. Step 5: Solve for x
    x = 396,266.79/573.99
  6. Step 6: Final answer
    x = 690.37

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1.5x scale

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.