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Finding the Fourth Proportional to 601.13, 901.79 and 235.72

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Solution

The fourth proportional to 601.13, 901.79 and 235.72 is: 353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.13 : 901.79 = 235.72 : x
  2. Step 2: Convert to fraction form
    601.13/901.79 = 235.72/x
  3. Step 3: Cross multiply
    601.13x = 901.79 × 235.72
  4. Step 4: Simplify right side
    601.13x = 212,564.25
  5. Step 5: Solve for x
    x = 212,564.25/601.13
  6. Step 6: Final answer
    x = 353.61

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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.