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Finding the Fourth Proportional to 737.48, 1,017.86 and 457.83

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Solution

The fourth proportional to 737.48, 1,017.86 and 457.83 is: 631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.48 : 1,017.86 = 457.83 : x
  2. Step 2: Convert to fraction form
    737.48/1,017.86 = 457.83/x
  3. Step 3: Cross multiply
    737.48x = 1,017.86 × 457.83
  4. Step 4: Simplify right side
    737.48x = 466,004.55
  5. Step 5: Solve for x
    x = 466,004.55/737.48
  6. Step 6: Final answer
    x = 631.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.