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Finding the Fourth Proportional to 589.46, 883.13 and 491.36

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Solution

The fourth proportional to 589.46, 883.13 and 491.36 is: 736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.46 : 883.13 = 491.36 : x
  2. Step 2: Convert to fraction form
    589.46/883.13 = 491.36/x
  3. Step 3: Cross multiply
    589.46x = 883.13 × 491.36
  4. Step 4: Simplify right side
    589.46x = 433,927.88
  5. Step 5: Solve for x
    x = 433,927.88/589.46
  6. Step 6: Final answer
    x = 736.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.