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Finding the Fourth Proportional to 55.32, 83.01 and 26.82

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Solution

The fourth proportional to 55.32, 83.01 and 26.82 is: 40.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.32 : 83.01 = 26.82 : x
  2. Step 2: Convert to fraction form
    55.32/83.01 = 26.82/x
  3. Step 3: Cross multiply
    55.32x = 83.01 × 26.82
  4. Step 4: Simplify right side
    55.32x = 2,226.33
  5. Step 5: Solve for x
    x = 2,226.33/55.32
  6. Step 6: Final answer
    x = 40.24

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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.