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Finding the Fourth Proportional to 630.34, 944.04 and 608.45

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Solution

The fourth proportional to 630.34, 944.04 and 608.45 is: 911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.34 : 944.04 = 608.45 : x
  2. Step 2: Convert to fraction form
    630.34/944.04 = 608.45/x
  3. Step 3: Cross multiply
    630.34x = 944.04 × 608.45
  4. Step 4: Simplify right side
    630.34x = 574,396.42
  5. Step 5: Solve for x
    x = 574,396.42/630.34
  6. Step 6: Final answer
    x = 911.25

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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.