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Finding the Fourth Proportional to 1,024.37, 1,536.71 and 330.81

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Solution

The fourth proportional to 1,024.37, 1,536.71 and 330.81 is: 496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.37 : 1,536.71 = 330.81 : x
  2. Step 2: Convert to fraction form
    1,024.37/1,536.71 = 330.81/x
  3. Step 3: Cross multiply
    1,024.37x = 1,536.71 × 330.81
  4. Step 4: Simplify right side
    1,024.37x = 508,362.74
  5. Step 5: Solve for x
    x = 508,362.74/1,024.37
  6. Step 6: Final answer
    x = 496.27

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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.