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Finding the Fourth Proportional to 108.95, 150.36 and 59.83

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Solution

The fourth proportional to 108.95, 150.36 and 59.83 is: 82.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.95 : 150.36 = 59.83 : x
  2. Step 2: Convert to fraction form
    108.95/150.36 = 59.83/x
  3. Step 3: Cross multiply
    108.95x = 150.36 × 59.83
  4. Step 4: Simplify right side
    108.95x = 8,996.30
  5. Step 5: Solve for x
    x = 8,996.30/108.95
  6. Step 6: Final answer
    x = 82.57

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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.