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Finding the Fourth Proportional to 492, 737.88 and 167.32

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Solution

The fourth proportional to 492, 737.88 and 167.32 is: 250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492 : 737.88 = 167.32 : x
  2. Step 2: Convert to fraction form
    492/737.88 = 167.32/x
  3. Step 3: Cross multiply
    492x = 737.88 × 167.32
  4. Step 4: Simplify right side
    492x = 123,462.08
  5. Step 5: Solve for x
    x = 123,462.08/492
  6. Step 6: Final answer
    x = 250.94

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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.