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Finding the Fourth Proportional to 637.95, 953.04 and 404.97

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Solution

The fourth proportional to 637.95, 953.04 and 404.97 is: 604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.95 : 953.04 = 404.97 : x
  2. Step 2: Convert to fraction form
    637.95/953.04 = 404.97/x
  3. Step 3: Cross multiply
    637.95x = 953.04 × 404.97
  4. Step 4: Simplify right side
    637.95x = 385,954.13
  5. Step 5: Solve for x
    x = 385,954.13/637.95
  6. Step 6: Final answer
    x = 604.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.