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Finding the Fourth Proportional to 150.84, 208.02 and 104.29

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Solution

The fourth proportional to 150.84, 208.02 and 104.29 is: 143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 208.02 = 104.29 : x
  2. Step 2: Convert to fraction form
    150.84/208.02 = 104.29/x
  3. Step 3: Cross multiply
    150.84x = 208.02 × 104.29
  4. Step 4: Simplify right side
    150.84x = 21,693.37
  5. Step 5: Solve for x
    x = 21,693.37/150.84
  6. Step 6: Final answer
    x = 143.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.