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Finding the Fourth Proportional to 590.79, 886.29 and 179.94

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Solution

The fourth proportional to 590.79, 886.29 and 179.94 is: 269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.79 : 886.29 = 179.94 : x
  2. Step 2: Convert to fraction form
    590.79/886.29 = 179.94/x
  3. Step 3: Cross multiply
    590.79x = 886.29 × 179.94
  4. Step 4: Simplify right side
    590.79x = 159,477.70
  5. Step 5: Solve for x
    x = 159,477.70/590.79
  6. Step 6: Final answer
    x = 269.94

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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.