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Finding the Fourth Proportional to 270.85, 373.63 and 176.46

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Solution

The fourth proportional to 270.85, 373.63 and 176.46 is: 243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.85 : 373.63 = 176.46 : x
  2. Step 2: Convert to fraction form
    270.85/373.63 = 176.46/x
  3. Step 3: Cross multiply
    270.85x = 373.63 × 176.46
  4. Step 4: Simplify right side
    270.85x = 65,930.75
  5. Step 5: Solve for x
    x = 65,930.75/270.85
  6. Step 6: Final answer
    x = 243.42

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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.