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Finding the Fourth Proportional to 586.75, 880.55 and 262.03

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Solution

The fourth proportional to 586.75, 880.55 and 262.03 is: 393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.75 : 880.55 = 262.03 : x
  2. Step 2: Convert to fraction form
    586.75/880.55 = 262.03/x
  3. Step 3: Cross multiply
    586.75x = 880.55 × 262.03
  4. Step 4: Simplify right side
    586.75x = 230,730.52
  5. Step 5: Solve for x
    x = 230,730.52/586.75
  6. Step 6: Final answer
    x = 393.23

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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.