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Finding the Fourth Proportional to 60.93, 91.98 and 60.57

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Solution

The fourth proportional to 60.93, 91.98 and 60.57 is: 91.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.93 : 91.98 = 60.57 : x
  2. Step 2: Convert to fraction form
    60.93/91.98 = 60.57/x
  3. Step 3: Cross multiply
    60.93x = 91.98 × 60.57
  4. Step 4: Simplify right side
    60.93x = 5,571.23
  5. Step 5: Solve for x
    x = 5,571.23/60.93
  6. Step 6: Final answer
    x = 91.44

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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.