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Finding the Fourth Proportional to 270.98, 405.80 and 184

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Solution

The fourth proportional to 270.98, 405.80 and 184 is: 275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.98 : 405.80 = 184 : x
  2. Step 2: Convert to fraction form
    270.98/405.80 = 184/x
  3. Step 3: Cross multiply
    270.98x = 405.80 × 184
  4. Step 4: Simplify right side
    270.98x = 74,667.20
  5. Step 5: Solve for x
    x = 74,667.20/270.98
  6. Step 6: Final answer
    x = 275.55

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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.