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Finding the Fourth Proportional to 600.84, 900.60 and 395.80

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Solution

The fourth proportional to 600.84, 900.60 and 395.80 is: 593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.84 : 900.60 = 395.80 : x
  2. Step 2: Convert to fraction form
    600.84/900.60 = 395.80/x
  3. Step 3: Cross multiply
    600.84x = 900.60 × 395.80
  4. Step 4: Simplify right side
    600.84x = 356,457.48
  5. Step 5: Solve for x
    x = 356,457.48/600.84
  6. Step 6: Final answer
    x = 593.27

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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.