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Finding the Fourth Proportional to 1,016.01, 1,524.62 and 438.89

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Solution

The fourth proportional to 1,016.01, 1,524.62 and 438.89 is: 658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.01 : 1,524.62 = 438.89 : x
  2. Step 2: Convert to fraction form
    1,016.01/1,524.62 = 438.89/x
  3. Step 3: Cross multiply
    1,016.01x = 1,524.62 × 438.89
  4. Step 4: Simplify right side
    1,016.01x = 669,133.95
  5. Step 5: Solve for x
    x = 669,133.95/1,016.01
  6. Step 6: Final answer
    x = 658.59

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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.