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Finding the Fourth Proportional to 715.44, 1,071 and 599.28

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Solution

The fourth proportional to 715.44, 1,071 and 599.28 is: 897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    715.44 : 1,071 = 599.28 : x
  2. Step 2: Convert to fraction form
    715.44/1,071 = 599.28/x
  3. Step 3: Cross multiply
    715.44x = 1,071 × 599.28
  4. Step 4: Simplify right side
    715.44x = 641,828.88
  5. Step 5: Solve for x
    x = 641,828.88/715.44
  6. Step 6: Final answer
    x = 897.11

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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.