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Finding the Fourth Proportional to 62.08, 92.59 and 61.16

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Solution

The fourth proportional to 62.08, 92.59 and 61.16 is: 91.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.08 : 92.59 = 61.16 : x
  2. Step 2: Convert to fraction form
    62.08/92.59 = 61.16/x
  3. Step 3: Cross multiply
    62.08x = 92.59 × 61.16
  4. Step 4: Simplify right side
    62.08x = 5,662.80
  5. Step 5: Solve for x
    x = 5,662.80/62.08
  6. Step 6: Final answer
    x = 91.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.