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Finding the Fourth Proportional to 600.46, 900.57 and 485.57

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Solution

The fourth proportional to 600.46, 900.57 and 485.57 is: 728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.46 : 900.57 = 485.57 : x
  2. Step 2: Convert to fraction form
    600.46/900.57 = 485.57/x
  3. Step 3: Cross multiply
    600.46x = 900.57 × 485.57
  4. Step 4: Simplify right side
    600.46x = 437,289.77
  5. Step 5: Solve for x
    x = 437,289.77/600.46
  6. Step 6: Final answer
    x = 728.26

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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.