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Finding the Fourth Proportional to 637.02, 954.26 and 499.42

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Solution

The fourth proportional to 637.02, 954.26 and 499.42 is: 748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.02 : 954.26 = 499.42 : x
  2. Step 2: Convert to fraction form
    637.02/954.26 = 499.42/x
  3. Step 3: Cross multiply
    637.02x = 954.26 × 499.42
  4. Step 4: Simplify right side
    637.02x = 476,576.53
  5. Step 5: Solve for x
    x = 476,576.53/637.02
  6. Step 6: Final answer
    x = 748.13

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Double scale
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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.