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Finding the Fourth Proportional to 158.79, 237.91 and 101.00

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Solution

The fourth proportional to 158.79, 237.91 and 101.00 is: 151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.79 : 237.91 = 101.00 : x
  2. Step 2: Convert to fraction form
    158.79/237.91 = 101.00/x
  3. Step 3: Cross multiply
    158.79x = 237.91 × 101.00
  4. Step 4: Simplify right side
    158.79x = 24,028.39
  5. Step 5: Solve for x
    x = 24,028.39/158.79
  6. Step 6: Final answer
    x = 151.33

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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.