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Finding the Fourth Proportional to 292.98, 440.19 and 164.82

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Solution

The fourth proportional to 292.98, 440.19 and 164.82 is: 247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.98 : 440.19 = 164.82 : x
  2. Step 2: Convert to fraction form
    292.98/440.19 = 164.82/x
  3. Step 3: Cross multiply
    292.98x = 440.19 × 164.82
  4. Step 4: Simplify right side
    292.98x = 72,552.12
  5. Step 5: Solve for x
    x = 72,552.12/292.98
  6. Step 6: Final answer
    x = 247.64

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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.