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Finding the Fourth Proportional to 584.68, 877.43 and 340.87

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Solution

The fourth proportional to 584.68, 877.43 and 340.87 is: 511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.68 : 877.43 = 340.87 : x
  2. Step 2: Convert to fraction form
    584.68/877.43 = 340.87/x
  3. Step 3: Cross multiply
    584.68x = 877.43 × 340.87
  4. Step 4: Simplify right side
    584.68x = 299,089.56
  5. Step 5: Solve for x
    x = 299,089.56/584.68
  6. Step 6: Final answer
    x = 511.54

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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.