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Finding the Fourth Proportional to 617.18, 925.91 and 184.32

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Solution

The fourth proportional to 617.18, 925.91 and 184.32 is: 276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.18 : 925.91 = 184.32 : x
  2. Step 2: Convert to fraction form
    617.18/925.91 = 184.32/x
  3. Step 3: Cross multiply
    617.18x = 925.91 × 184.32
  4. Step 4: Simplify right side
    617.18x = 170,662.81
  5. Step 5: Solve for x
    x = 170,662.81/617.18
  6. Step 6: Final answer
    x = 276.52

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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.