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Finding the Fourth Proportional to 108.86, 150.23 and 59.74

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Solution

The fourth proportional to 108.86, 150.23 and 59.74 is: 82.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.86 : 150.23 = 59.74 : x
  2. Step 2: Convert to fraction form
    108.86/150.23 = 59.74/x
  3. Step 3: Cross multiply
    108.86x = 150.23 × 59.74
  4. Step 4: Simplify right side
    108.86x = 8,974.82
  5. Step 5: Solve for x
    x = 8,974.82/108.86
  6. Step 6: Final answer
    x = 82.44

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