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Finding the Fourth Proportional to 492.06, 737.64 and 167.40

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Solution

The fourth proportional to 492.06, 737.64 and 167.40 is: 250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.06 : 737.64 = 167.40 : x
  2. Step 2: Convert to fraction form
    492.06/737.64 = 167.40/x
  3. Step 3: Cross multiply
    492.06x = 737.64 × 167.40
  4. Step 4: Simplify right side
    492.06x = 123,480.94
  5. Step 5: Solve for x
    x = 123,480.94/492.06
  6. Step 6: Final answer
    x = 250.95

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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.