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Finding the Fourth Proportional to 618.03, 925.83 and 375.03

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Solution

The fourth proportional to 618.03, 925.83 and 375.03 is: 561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.03 : 925.83 = 375.03 : x
  2. Step 2: Convert to fraction form
    618.03/925.83 = 375.03/x
  3. Step 3: Cross multiply
    618.03x = 925.83 × 375.03
  4. Step 4: Simplify right side
    618.03x = 347,214.02
  5. Step 5: Solve for x
    x = 347,214.02/618.03
  6. Step 6: Final answer
    x = 561.81

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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.