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Finding the Fourth Proportional to 601.09, 901.51 and 254.28

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Solution

The fourth proportional to 601.09, 901.51 and 254.28 is: 381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.09 : 901.51 = 254.28 : x
  2. Step 2: Convert to fraction form
    601.09/901.51 = 254.28/x
  3. Step 3: Cross multiply
    601.09x = 901.51 × 254.28
  4. Step 4: Simplify right side
    601.09x = 229,235.96
  5. Step 5: Solve for x
    x = 229,235.96/601.09
  6. Step 6: Final answer
    x = 381.37

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Double scale
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1.5x scale

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.