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Finding the Fourth Proportional to 636.53, 954.23 and 375.89

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Solution

The fourth proportional to 636.53, 954.23 and 375.89 is: 563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.53 : 954.23 = 375.89 : x
  2. Step 2: Convert to fraction form
    636.53/954.23 = 375.89/x
  3. Step 3: Cross multiply
    636.53x = 954.23 × 375.89
  4. Step 4: Simplify right side
    636.53x = 358,678.86
  5. Step 5: Solve for x
    x = 358,678.86/636.53
  6. Step 6: Final answer
    x = 563.50

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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.