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Finding the Fourth Proportional to 1,023.46, 1,535.01 and 374.02

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Solution

The fourth proportional to 1,023.46, 1,535.01 and 374.02 is: 560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.46 : 1,535.01 = 374.02 : x
  2. Step 2: Convert to fraction form
    1,023.46/1,535.01 = 374.02/x
  3. Step 3: Cross multiply
    1,023.46x = 1,535.01 × 374.02
  4. Step 4: Simplify right side
    1,023.46x = 574,124.44
  5. Step 5: Solve for x
    x = 574,124.44/1,023.46
  6. Step 6: Final answer
    x = 560.96

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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.