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Finding the Fourth Proportional to 262.03, 392.70 and 184.57

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Solution

The fourth proportional to 262.03, 392.70 and 184.57 is: 276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.03 : 392.70 = 184.57 : x
  2. Step 2: Convert to fraction form
    262.03/392.70 = 184.57/x
  3. Step 3: Cross multiply
    262.03x = 392.70 × 184.57
  4. Step 4: Simplify right side
    262.03x = 72,480.64
  5. Step 5: Solve for x
    x = 72,480.64/262.03
  6. Step 6: Final answer
    x = 276.61

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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.