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Finding the Fourth Proportional to 937.04, 1,405.56 and 450.32

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Solution

The fourth proportional to 937.04, 1,405.56 and 450.32 is: 675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.04 : 1,405.56 = 450.32 : x
  2. Step 2: Convert to fraction form
    937.04/1,405.56 = 450.32/x
  3. Step 3: Cross multiply
    937.04x = 1,405.56 × 450.32
  4. Step 4: Simplify right side
    937.04x = 632,951.78
  5. Step 5: Solve for x
    x = 632,951.78/937.04
  6. Step 6: Final answer
    x = 675.48

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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.