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Finding the Fourth Proportional to 160.60, 239.59 and 158.55

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Solution

The fourth proportional to 160.60, 239.59 and 158.55 is: 236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.60 : 239.59 = 158.55 : x
  2. Step 2: Convert to fraction form
    160.60/239.59 = 158.55/x
  3. Step 3: Cross multiply
    160.60x = 239.59 × 158.55
  4. Step 4: Simplify right side
    160.60x = 37,986.99
  5. Step 5: Solve for x
    x = 37,986.99/160.60
  6. Step 6: Final answer
    x = 236.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.