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Finding the Fourth Proportional to 270.68, 373.47 and 160.11

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Solution

The fourth proportional to 270.68, 373.47 and 160.11 is: 220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.68 : 373.47 = 160.11 : x
  2. Step 2: Convert to fraction form
    270.68/373.47 = 160.11/x
  3. Step 3: Cross multiply
    270.68x = 373.47 × 160.11
  4. Step 4: Simplify right side
    270.68x = 59,796.28
  5. Step 5: Solve for x
    x = 59,796.28/270.68
  6. Step 6: Final answer
    x = 220.91

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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.