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Finding the Fourth Proportional to 600.96, 829.56 and 404.56

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Solution

The fourth proportional to 600.96, 829.56 and 404.56 is: 558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.96 : 829.56 = 404.56 : x
  2. Step 2: Convert to fraction form
    600.96/829.56 = 404.56/x
  3. Step 3: Cross multiply
    600.96x = 829.56 × 404.56
  4. Step 4: Simplify right side
    600.96x = 335,606.79
  5. Step 5: Solve for x
    x = 335,606.79/600.96
  6. Step 6: Final answer
    x = 558.45

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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.