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Finding the Fourth Proportional to 1,289.02, 1,933.32 and 364.37

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Solution

The fourth proportional to 1,289.02, 1,933.32 and 364.37 is: 546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.02 : 1,933.32 = 364.37 : x
  2. Step 2: Convert to fraction form
    1,289.02/1,933.32 = 364.37/x
  3. Step 3: Cross multiply
    1,289.02x = 1,933.32 × 364.37
  4. Step 4: Simplify right side
    1,289.02x = 704,432.32
  5. Step 5: Solve for x
    x = 704,432.32/1,289.02
  6. Step 6: Final answer
    x = 546.49

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1.5x scale

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.