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Finding the Fourth Proportional to 630.08, 949.94 and 587.72

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Solution

The fourth proportional to 630.08, 949.94 and 587.72 is: 886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.08 : 949.94 = 587.72 : x
  2. Step 2: Convert to fraction form
    630.08/949.94 = 587.72/x
  3. Step 3: Cross multiply
    630.08x = 949.94 × 587.72
  4. Step 4: Simplify right side
    630.08x = 558,302.58
  5. Step 5: Solve for x
    x = 558,302.58/630.08
  6. Step 6: Final answer
    x = 886.09

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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.