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Finding the Fourth Proportional to 36.51, 55.07 and 34.76

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Solution

The fourth proportional to 36.51, 55.07 and 34.76 is: 52.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.51 : 55.07 = 34.76 : x
  2. Step 2: Convert to fraction form
    36.51/55.07 = 34.76/x
  3. Step 3: Cross multiply
    36.51x = 55.07 × 34.76
  4. Step 4: Simplify right side
    36.51x = 1,913.78
  5. Step 5: Solve for x
    x = 1,913.78/36.51
  6. Step 6: Final answer
    x = 52.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.