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Finding the Fourth Proportional to 617.75, 926.63 and 184.93

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Solution

The fourth proportional to 617.75, 926.63 and 184.93 is: 277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.75 : 926.63 = 184.93 : x
  2. Step 2: Convert to fraction form
    617.75/926.63 = 184.93/x
  3. Step 3: Cross multiply
    617.75x = 926.63 × 184.93
  4. Step 4: Simplify right side
    617.75x = 171,361.69
  5. Step 5: Solve for x
    x = 171,361.69/617.75
  6. Step 6: Final answer
    x = 277.40

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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.