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Finding the Fourth Proportional to 737.77, 1,106.47 and 495.76

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Solution

The fourth proportional to 737.77, 1,106.47 and 495.76 is: 743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.77 : 1,106.47 = 495.76 : x
  2. Step 2: Convert to fraction form
    737.77/1,106.47 = 495.76/x
  3. Step 3: Cross multiply
    737.77x = 1,106.47 × 495.76
  4. Step 4: Simplify right side
    737.77x = 548,543.57
  5. Step 5: Solve for x
    x = 548,543.57/737.77
  6. Step 6: Final answer
    x = 743.52

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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.