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Finding the Fourth Proportional to 61.35, 92.49 and 61.35

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Solution

The fourth proportional to 61.35, 92.49 and 61.35 is: 92.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.35 : 92.49 = 61.35 : x
  2. Step 2: Convert to fraction form
    61.35/92.49 = 61.35/x
  3. Step 3: Cross multiply
    61.35x = 92.49 × 61.35
  4. Step 4: Simplify right side
    61.35x = 5,674.26
  5. Step 5: Solve for x
    x = 5,674.26/61.35
  6. Step 6: Final answer
    x = 92.49

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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.