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Finding the Fourth Proportional to 488.02, 732.03 and 141.36

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Solution

The fourth proportional to 488.02, 732.03 and 141.36 is: 212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.02 : 732.03 = 141.36 : x
  2. Step 2: Convert to fraction form
    488.02/732.03 = 141.36/x
  3. Step 3: Cross multiply
    488.02x = 732.03 × 141.36
  4. Step 4: Simplify right side
    488.02x = 103,477.33
  5. Step 5: Solve for x
    x = 103,477.33/488.02
  6. Step 6: Final answer
    x = 212.03

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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.