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Finding the Fourth Proportional to 250.81, 346.13 and 177.15

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Solution

The fourth proportional to 250.81, 346.13 and 177.15 is: 244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.81 : 346.13 = 177.15 : x
  2. Step 2: Convert to fraction form
    250.81/346.13 = 177.15/x
  3. Step 3: Cross multiply
    250.81x = 346.13 × 177.15
  4. Step 4: Simplify right side
    250.81x = 61,316.93
  5. Step 5: Solve for x
    x = 61,316.93/250.81
  6. Step 6: Final answer
    x = 244.48

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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.