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Finding the Fourth Proportional to 38.93, 58.10 and 36.95

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Solution

The fourth proportional to 38.93, 58.10 and 36.95 is: 55.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.93 : 58.10 = 36.95 : x
  2. Step 2: Convert to fraction form
    38.93/58.10 = 36.95/x
  3. Step 3: Cross multiply
    38.93x = 58.10 × 36.95
  4. Step 4: Simplify right side
    38.93x = 2,146.32
  5. Step 5: Solve for x
    x = 2,146.32/38.93
  6. Step 6: Final answer
    x = 55.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.