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Finding the Fourth Proportional to 587.41, 885.16 and 486.95

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Solution

The fourth proportional to 587.41, 885.16 and 486.95 is: 733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.41 : 885.16 = 486.95 : x
  2. Step 2: Convert to fraction form
    587.41/885.16 = 486.95/x
  3. Step 3: Cross multiply
    587.41x = 885.16 × 486.95
  4. Step 4: Simplify right side
    587.41x = 431,026.23
  5. Step 5: Solve for x
    x = 431,026.23/587.41
  6. Step 6: Final answer
    x = 733.77

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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.