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Finding the Fourth Proportional to 62.93, 94.31 and 51.53

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Solution

The fourth proportional to 62.93, 94.31 and 51.53 is: 77.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.93 : 94.31 = 51.53 : x
  2. Step 2: Convert to fraction form
    62.93/94.31 = 51.53/x
  3. Step 3: Cross multiply
    62.93x = 94.31 × 51.53
  4. Step 4: Simplify right side
    62.93x = 4,859.77
  5. Step 5: Solve for x
    x = 4,859.77/62.93
  6. Step 6: Final answer
    x = 77.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.