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Finding the Fourth Proportional to 148.68, 204.08 and 131.94

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Solution

The fourth proportional to 148.68, 204.08 and 131.94 is: 181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.68 : 204.08 = 131.94 : x
  2. Step 2: Convert to fraction form
    148.68/204.08 = 131.94/x
  3. Step 3: Cross multiply
    148.68x = 204.08 × 131.94
  4. Step 4: Simplify right side
    148.68x = 26,925.66
  5. Step 5: Solve for x
    x = 26,925.66/148.68
  6. Step 6: Final answer
    x = 181.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.