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Finding the Fourth Proportional to 630.76, 866.01 and 592.36

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Solution

The fourth proportional to 630.76, 866.01 and 592.36 is: 813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.76 : 866.01 = 592.36 : x
  2. Step 2: Convert to fraction form
    630.76/866.01 = 592.36/x
  3. Step 3: Cross multiply
    630.76x = 866.01 × 592.36
  4. Step 4: Simplify right side
    630.76x = 512,989.68
  5. Step 5: Solve for x
    x = 512,989.68/630.76
  6. Step 6: Final answer
    x = 813.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.