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Finding the Fourth Proportional to 92.02, 127.06 and 62.52

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Solution

The fourth proportional to 92.02, 127.06 and 62.52 is: 86.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.02 : 127.06 = 62.52 : x
  2. Step 2: Convert to fraction form
    92.02/127.06 = 62.52/x
  3. Step 3: Cross multiply
    92.02x = 127.06 × 62.52
  4. Step 4: Simplify right side
    92.02x = 7,943.79
  5. Step 5: Solve for x
    x = 7,943.79/92.02
  6. Step 6: Final answer
    x = 86.33

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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.