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Finding the Fourth Proportional to 619.06, 927.12 and 560.62

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Solution

The fourth proportional to 619.06, 927.12 and 560.62 is: 839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.06 : 927.12 = 560.62 : x
  2. Step 2: Convert to fraction form
    619.06/927.12 = 560.62/x
  3. Step 3: Cross multiply
    619.06x = 927.12 × 560.62
  4. Step 4: Simplify right side
    619.06x = 519,762.01
  5. Step 5: Solve for x
    x = 519,762.01/619.06
  6. Step 6: Final answer
    x = 839.60

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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.