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Finding the Fourth Proportional to 881.95, 1,320.76 and 592.51

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Solution

The fourth proportional to 881.95, 1,320.76 and 592.51 is: 887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.95 : 1,320.76 = 592.51 : x
  2. Step 2: Convert to fraction form
    881.95/1,320.76 = 592.51/x
  3. Step 3: Cross multiply
    881.95x = 1,320.76 × 592.51
  4. Step 4: Simplify right side
    881.95x = 782,563.51
  5. Step 5: Solve for x
    x = 782,563.51/881.95
  6. Step 6: Final answer
    x = 887.31

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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.