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Finding the Fourth Proportional to 190.60, 284.53 and 158.12

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Solution

The fourth proportional to 190.60, 284.53 and 158.12 is: 236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.60 : 284.53 = 158.12 : x
  2. Step 2: Convert to fraction form
    190.60/284.53 = 158.12/x
  3. Step 3: Cross multiply
    190.60x = 284.53 × 158.12
  4. Step 4: Simplify right side
    190.60x = 44,989.88
  5. Step 5: Solve for x
    x = 44,989.88/190.60
  6. Step 6: Final answer
    x = 236.04

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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.