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Finding the Fourth Proportional to 365.56, 548.53 and 160.13

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Solution

The fourth proportional to 365.56, 548.53 and 160.13 is: 240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.56 : 548.53 = 160.13 : x
  2. Step 2: Convert to fraction form
    365.56/548.53 = 160.13/x
  3. Step 3: Cross multiply
    365.56x = 548.53 × 160.13
  4. Step 4: Simplify right side
    365.56x = 87,836.11
  5. Step 5: Solve for x
    x = 87,836.11/365.56
  6. Step 6: Final answer
    x = 240.28

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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.