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Finding the Fourth Proportional to 637.38, 953.16 and 483.36

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Solution

The fourth proportional to 637.38, 953.16 and 483.36 is: 722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.38 : 953.16 = 483.36 : x
  2. Step 2: Convert to fraction form
    637.38/953.16 = 483.36/x
  3. Step 3: Cross multiply
    637.38x = 953.16 × 483.36
  4. Step 4: Simplify right side
    637.38x = 460,719.42
  5. Step 5: Solve for x
    x = 460,719.42/637.38
  6. Step 6: Final answer
    x = 722.83

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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.