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Finding the Fourth Proportional to 158.98, 236.88 and 151.99

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Solution

The fourth proportional to 158.98, 236.88 and 151.99 is: 226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.98 : 236.88 = 151.99 : x
  2. Step 2: Convert to fraction form
    158.98/236.88 = 151.99/x
  3. Step 3: Cross multiply
    158.98x = 236.88 × 151.99
  4. Step 4: Simplify right side
    158.98x = 36,003.39
  5. Step 5: Solve for x
    x = 36,003.39/158.98
  6. Step 6: Final answer
    x = 226.46

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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.