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Finding the Fourth Proportional to 1,024.10, 1,536.61 and 555.71

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Solution

The fourth proportional to 1,024.10, 1,536.61 and 555.71 is: 833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.10 : 1,536.61 = 555.71 : x
  2. Step 2: Convert to fraction form
    1,024.10/1,536.61 = 555.71/x
  3. Step 3: Cross multiply
    1,024.10x = 1,536.61 × 555.71
  4. Step 4: Simplify right side
    1,024.10x = 853,912.00
  5. Step 5: Solve for x
    x = 853,912.00/1,024.10
  6. Step 6: Final answer
    x = 833.82

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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.