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Finding the Fourth Proportional to 270.45, 373.40 and 191.94

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Solution

The fourth proportional to 270.45, 373.40 and 191.94 is: 265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.45 : 373.40 = 191.94 : x
  2. Step 2: Convert to fraction form
    270.45/373.40 = 191.94/x
  3. Step 3: Cross multiply
    270.45x = 373.40 × 191.94
  4. Step 4: Simplify right side
    270.45x = 71,670.40
  5. Step 5: Solve for x
    x = 71,670.40/270.45
  6. Step 6: Final answer
    x = 265.00

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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.