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Finding the Fourth Proportional to 589.52, 880.34 and 555.35

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Solution

The fourth proportional to 589.52, 880.34 and 555.35 is: 829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.52 : 880.34 = 555.35 : x
  2. Step 2: Convert to fraction form
    589.52/880.34 = 555.35/x
  3. Step 3: Cross multiply
    589.52x = 880.34 × 555.35
  4. Step 4: Simplify right side
    589.52x = 488,896.82
  5. Step 5: Solve for x
    x = 488,896.82/589.52
  6. Step 6: Final answer
    x = 829.31

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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.