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Finding the Fourth Proportional to 601.32, 900.72 and 383.79

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Solution

The fourth proportional to 601.32, 900.72 and 383.79 is: 574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.32 : 900.72 = 383.79 : x
  2. Step 2: Convert to fraction form
    601.32/900.72 = 383.79/x
  3. Step 3: Cross multiply
    601.32x = 900.72 × 383.79
  4. Step 4: Simplify right side
    601.32x = 345,687.33
  5. Step 5: Solve for x
    x = 345,687.33/601.32
  6. Step 6: Final answer
    x = 574.88

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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.