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Finding the Fourth Proportional to 586.91, 876.15 and 544.19

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Solution

The fourth proportional to 586.91, 876.15 and 544.19 is: 812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.91 : 876.15 = 544.19 : x
  2. Step 2: Convert to fraction form
    586.91/876.15 = 544.19/x
  3. Step 3: Cross multiply
    586.91x = 876.15 × 544.19
  4. Step 4: Simplify right side
    586.91x = 476,787.69
  5. Step 5: Solve for x
    x = 476,787.69/586.91
  6. Step 6: Final answer
    x = 812.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.