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Finding the Fourth Proportional to 508.02, 762.02 and 161.37

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Solution

The fourth proportional to 508.02, 762.02 and 161.37 is: 242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.02 : 762.02 = 161.37 : x
  2. Step 2: Convert to fraction form
    508.02/762.02 = 161.37/x
  3. Step 3: Cross multiply
    508.02x = 762.02 × 161.37
  4. Step 4: Simplify right side
    508.02x = 122,966.36
  5. Step 5: Solve for x
    x = 122,966.36/508.02
  6. Step 6: Final answer
    x = 242.05

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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.