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Finding the Fourth Proportional to 1,016.04, 1,524.10 and 357.92

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Solution

The fourth proportional to 1,016.04, 1,524.10 and 357.92 is: 536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.04 : 1,524.10 = 357.92 : x
  2. Step 2: Convert to fraction form
    1,016.04/1,524.10 = 357.92/x
  3. Step 3: Cross multiply
    1,016.04x = 1,524.10 × 357.92
  4. Step 4: Simplify right side
    1,016.04x = 545,505.87
  5. Step 5: Solve for x
    x = 545,505.87/1,016.04
  6. Step 6: Final answer
    x = 536.89

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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.