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Finding the Fourth Proportional to 62.01, 85.50 and 58.95

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Solution

The fourth proportional to 62.01, 85.50 and 58.95 is: 81.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.01 : 85.50 = 58.95 : x
  2. Step 2: Convert to fraction form
    62.01/85.50 = 58.95/x
  3. Step 3: Cross multiply
    62.01x = 85.50 × 58.95
  4. Step 4: Simplify right side
    62.01x = 5,040.23
  5. Step 5: Solve for x
    x = 5,040.23/62.01
  6. Step 6: Final answer
    x = 81.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.