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Finding the Fourth Proportional to 630.03, 944.36 and 538.45

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Solution

The fourth proportional to 630.03, 944.36 and 538.45 is: 807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.03 : 944.36 = 538.45 : x
  2. Step 2: Convert to fraction form
    630.03/944.36 = 538.45/x
  3. Step 3: Cross multiply
    630.03x = 944.36 × 538.45
  4. Step 4: Simplify right side
    630.03x = 508,490.64
  5. Step 5: Solve for x
    x = 508,490.64/630.03
  6. Step 6: Final answer
    x = 807.09

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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.