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Finding the Fourth Proportional to 619.18, 925.80 and 604.60

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Solution

The fourth proportional to 619.18, 925.80 and 604.60 is: 904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.18 : 925.80 = 604.60 : x
  2. Step 2: Convert to fraction form
    619.18/925.80 = 604.60/x
  3. Step 3: Cross multiply
    619.18x = 925.80 × 604.60
  4. Step 4: Simplify right side
    619.18x = 559,738.68
  5. Step 5: Solve for x
    x = 559,738.68/619.18
  6. Step 6: Final answer
    x = 904.00

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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.