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Finding the Fourth Proportional to 630.08, 949.95 and 587.73

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Solution

The fourth proportional to 630.08, 949.95 and 587.73 is: 886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.08 : 949.95 = 587.73 : x
  2. Step 2: Convert to fraction form
    630.08/949.95 = 587.73/x
  3. Step 3: Cross multiply
    630.08x = 949.95 × 587.73
  4. Step 4: Simplify right side
    630.08x = 558,306.43
  5. Step 5: Solve for x
    x = 558,306.43/630.08
  6. Step 6: Final answer
    x = 886.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.