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Finding the Fourth Proportional to 1,013.36, 1,523.40 and 832.08

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Solution

The fourth proportional to 1,013.36, 1,523.40 and 832.08 is: 1,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.36 : 1,523.40 = 832.08 : x
  2. Step 2: Convert to fraction form
    1,013.36/1,523.40 = 832.08/x
  3. Step 3: Cross multiply
    1,013.36x = 1,523.40 × 832.08
  4. Step 4: Simplify right side
    1,013.36x = 1,267,590.67
  5. Step 5: Solve for x
    x = 1,267,590.67/1,013.36
  6. Step 6: Final answer
    x = 1,250.88

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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.