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Finding the Fourth Proportional to 492.01, 737.88 and 145.24

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Solution

The fourth proportional to 492.01, 737.88 and 145.24 is: 217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.01 : 737.88 = 145.24 : x
  2. Step 2: Convert to fraction form
    492.01/737.88 = 145.24/x
  3. Step 3: Cross multiply
    492.01x = 737.88 × 145.24
  4. Step 4: Simplify right side
    492.01x = 107,165.28
  5. Step 5: Solve for x
    x = 107,165.28/492.01
  6. Step 6: Final answer
    x = 217.81

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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.