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Finding the Fourth Proportional to 605.76, 903.55 and 587.54

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Solution

The fourth proportional to 605.76, 903.55 and 587.54 is: 876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.76 : 903.55 = 587.54 : x
  2. Step 2: Convert to fraction form
    605.76/903.55 = 587.54/x
  3. Step 3: Cross multiply
    605.76x = 903.55 × 587.54
  4. Step 4: Simplify right side
    605.76x = 530,868.83
  5. Step 5: Solve for x
    x = 530,868.83/605.76
  6. Step 6: Final answer
    x = 876.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.