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Finding the Fourth Proportional to 67.04, 100.54 and 32.77

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Solution

The fourth proportional to 67.04, 100.54 and 32.77 is: 49.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.04 : 100.54 = 32.77 : x
  2. Step 2: Convert to fraction form
    67.04/100.54 = 32.77/x
  3. Step 3: Cross multiply
    67.04x = 100.54 × 32.77
  4. Step 4: Simplify right side
    67.04x = 3,294.36
  5. Step 5: Solve for x
    x = 3,294.36/67.04
  6. Step 6: Final answer
    x = 49.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.