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Finding the Fourth Proportional to 580.84, 875.27 and 553.03

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Solution

The fourth proportional to 580.84, 875.27 and 553.03 is: 833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.84 : 875.27 = 553.03 : x
  2. Step 2: Convert to fraction form
    580.84/875.27 = 553.03/x
  3. Step 3: Cross multiply
    580.84x = 875.27 × 553.03
  4. Step 4: Simplify right side
    580.84x = 484,049.76
  5. Step 5: Solve for x
    x = 484,049.76/580.84
  6. Step 6: Final answer
    x = 833.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.