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Finding the Fourth Proportional to 586.87, 880.30 and 239.95

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Solution

The fourth proportional to 586.87, 880.30 and 239.95 is: 359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.87 : 880.30 = 239.95 : x
  2. Step 2: Convert to fraction form
    586.87/880.30 = 239.95/x
  3. Step 3: Cross multiply
    586.87x = 880.30 × 239.95
  4. Step 4: Simplify right side
    586.87x = 211,226.79
  5. Step 5: Solve for x
    x = 211,226.79/586.87
  6. Step 6: Final answer
    x = 359.92

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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.