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Finding the Fourth Proportional to 600.56, 899.32 and 380.51

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Solution

The fourth proportional to 600.56, 899.32 and 380.51 is: 569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.56 : 899.32 = 380.51 : x
  2. Step 2: Convert to fraction form
    600.56/899.32 = 380.51/x
  3. Step 3: Cross multiply
    600.56x = 899.32 × 380.51
  4. Step 4: Simplify right side
    600.56x = 342,203.95
  5. Step 5: Solve for x
    x = 342,203.95/600.56
  6. Step 6: Final answer
    x = 569.81

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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.