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Finding the Fourth Proportional to 1,024.40, 1,536.45 and 374.98

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Solution

The fourth proportional to 1,024.40, 1,536.45 and 374.98 is: 562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.40 : 1,536.45 = 374.98 : x
  2. Step 2: Convert to fraction form
    1,024.40/1,536.45 = 374.98/x
  3. Step 3: Cross multiply
    1,024.40x = 1,536.45 × 374.98
  4. Step 4: Simplify right side
    1,024.40x = 576,138.02
  5. Step 5: Solve for x
    x = 576,138.02/1,024.40
  6. Step 6: Final answer
    x = 562.42

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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.