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Finding the Fourth Proportional to 881.04, 1,216.10 and 508.27

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Solution

The fourth proportional to 881.04, 1,216.10 and 508.27 is: 701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.04 : 1,216.10 = 508.27 : x
  2. Step 2: Convert to fraction form
    881.04/1,216.10 = 508.27/x
  3. Step 3: Cross multiply
    881.04x = 1,216.10 × 508.27
  4. Step 4: Simplify right side
    881.04x = 618,101.07
  5. Step 5: Solve for x
    x = 618,101.07/881.04
  6. Step 6: Final answer
    x = 701.56

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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.