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Finding the Fourth Proportional to 538.39, 807.72 and 250.03

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Solution

The fourth proportional to 538.39, 807.72 and 250.03 is: 375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.39 : 807.72 = 250.03 : x
  2. Step 2: Convert to fraction form
    538.39/807.72 = 250.03/x
  3. Step 3: Cross multiply
    538.39x = 807.72 × 250.03
  4. Step 4: Simplify right side
    538.39x = 201,954.23
  5. Step 5: Solve for x
    x = 201,954.23/538.39
  6. Step 6: Final answer
    x = 375.11

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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.