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Finding the Fourth Proportional to 61.94, 93.37 and 58.63

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Solution

The fourth proportional to 61.94, 93.37 and 58.63 is: 88.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.94 : 93.37 = 58.63 : x
  2. Step 2: Convert to fraction form
    61.94/93.37 = 58.63/x
  3. Step 3: Cross multiply
    61.94x = 93.37 × 58.63
  4. Step 4: Simplify right side
    61.94x = 5,474.12
  5. Step 5: Solve for x
    x = 5,474.12/61.94
  6. Step 6: Final answer
    x = 88.38

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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.