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Finding the Fourth Proportional to 60.55, 83.50 and 45.97

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Solution

The fourth proportional to 60.55, 83.50 and 45.97 is: 63.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.55 : 83.50 = 45.97 : x
  2. Step 2: Convert to fraction form
    60.55/83.50 = 45.97/x
  3. Step 3: Cross multiply
    60.55x = 83.50 × 45.97
  4. Step 4: Simplify right side
    60.55x = 3,838.17
  5. Step 5: Solve for x
    x = 3,838.17/60.55
  6. Step 6: Final answer
    x = 63.39

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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.