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Finding the Fourth Proportional to 637.07, 954.99 and 362.78

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Solution

The fourth proportional to 637.07, 954.99 and 362.78 is: 543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.07 : 954.99 = 362.78 : x
  2. Step 2: Convert to fraction form
    637.07/954.99 = 362.78/x
  3. Step 3: Cross multiply
    637.07x = 954.99 × 362.78
  4. Step 4: Simplify right side
    637.07x = 346,450.08
  5. Step 5: Solve for x
    x = 346,450.08/637.07
  6. Step 6: Final answer
    x = 543.82

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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.