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Finding the Fourth Proportional to 250.74, 346.14 and 177.03

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Solution

The fourth proportional to 250.74, 346.14 and 177.03 is: 244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.74 : 346.14 = 177.03 : x
  2. Step 2: Convert to fraction form
    250.74/346.14 = 177.03/x
  3. Step 3: Cross multiply
    250.74x = 346.14 × 177.03
  4. Step 4: Simplify right side
    250.74x = 61,277.16
  5. Step 5: Solve for x
    x = 61,277.16/250.74
  6. Step 6: Final answer
    x = 244.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.