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Finding the Fourth Proportional to 617.95, 927.53 and 374.95

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Solution

The fourth proportional to 617.95, 927.53 and 374.95 is: 562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.95 : 927.53 = 374.95 : x
  2. Step 2: Convert to fraction form
    617.95/927.53 = 374.95/x
  3. Step 3: Cross multiply
    617.95x = 927.53 × 374.95
  4. Step 4: Simplify right side
    617.95x = 347,777.37
  5. Step 5: Solve for x
    x = 347,777.37/617.95
  6. Step 6: Final answer
    x = 562.79

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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.