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Finding the Fourth Proportional to 580.53, 868.93 and 550.46

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Solution

The fourth proportional to 580.53, 868.93 and 550.46 is: 823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.53 : 868.93 = 550.46 : x
  2. Step 2: Convert to fraction form
    580.53/868.93 = 550.46/x
  3. Step 3: Cross multiply
    580.53x = 868.93 × 550.46
  4. Step 4: Simplify right side
    580.53x = 478,312.00
  5. Step 5: Solve for x
    x = 478,312.00/580.53
  6. Step 6: Final answer
    x = 823.92

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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.