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Finding the Fourth Proportional to 586.40, 880.04 and 550.56

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Solution

The fourth proportional to 586.40, 880.04 and 550.56 is: 826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.40 : 880.04 = 550.56 : x
  2. Step 2: Convert to fraction form
    586.40/880.04 = 550.56/x
  3. Step 3: Cross multiply
    586.40x = 880.04 × 550.56
  4. Step 4: Simplify right side
    586.40x = 484,516.20
  5. Step 5: Solve for x
    x = 484,516.20/586.40
  6. Step 6: Final answer
    x = 826.25

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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.