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Finding the Fourth Proportional to 59.16, 80.93 and 58.92

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Solution

The fourth proportional to 59.16, 80.93 and 58.92 is: 80.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.16 : 80.93 = 58.92 : x
  2. Step 2: Convert to fraction form
    59.16/80.93 = 58.92/x
  3. Step 3: Cross multiply
    59.16x = 80.93 × 58.92
  4. Step 4: Simplify right side
    59.16x = 4,768.40
  5. Step 5: Solve for x
    x = 4,768.40/59.16
  6. Step 6: Final answer
    x = 80.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.