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Finding the Fourth Proportional to 633.41, 873.51 and 589.76

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Solution

The fourth proportional to 633.41, 873.51 and 589.76 is: 813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.41 : 873.51 = 589.76 : x
  2. Step 2: Convert to fraction form
    633.41/873.51 = 589.76/x
  3. Step 3: Cross multiply
    633.41x = 873.51 × 589.76
  4. Step 4: Simplify right side
    633.41x = 515,161.26
  5. Step 5: Solve for x
    x = 515,161.26/633.41
  6. Step 6: Final answer
    x = 813.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.