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Finding the Fourth Proportional to 1,015.34, 1,401.08 and 595.71

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Solution

The fourth proportional to 1,015.34, 1,401.08 and 595.71 is: 822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.34 : 1,401.08 = 595.71 : x
  2. Step 2: Convert to fraction form
    1,015.34/1,401.08 = 595.71/x
  3. Step 3: Cross multiply
    1,015.34x = 1,401.08 × 595.71
  4. Step 4: Simplify right side
    1,015.34x = 834,634.39
  5. Step 5: Solve for x
    x = 834,634.39/1,015.34
  6. Step 6: Final answer
    x = 822.03

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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.