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Finding the Fourth Proportional to 158.58, 236.58 and 151.23

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Solution

The fourth proportional to 158.58, 236.58 and 151.23 is: 225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.58 : 236.58 = 151.23 : x
  2. Step 2: Convert to fraction form
    158.58/236.58 = 151.23/x
  3. Step 3: Cross multiply
    158.58x = 236.58 × 151.23
  4. Step 4: Simplify right side
    158.58x = 35,777.99
  5. Step 5: Solve for x
    x = 35,777.99/158.58
  6. Step 6: Final answer
    x = 225.61

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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.