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Finding the Fourth Proportional to 601.04, 901.54 and 381.88

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Solution

The fourth proportional to 601.04, 901.54 and 381.88 is: 572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.04 : 901.54 = 381.88 : x
  2. Step 2: Convert to fraction form
    601.04/901.54 = 381.88/x
  3. Step 3: Cross multiply
    601.04x = 901.54 × 381.88
  4. Step 4: Simplify right side
    601.04x = 344,280.63
  5. Step 5: Solve for x
    x = 344,280.63/601.04
  6. Step 6: Final answer
    x = 572.81

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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.