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Finding the Fourth Proportional to 588.57, 882.78 and 155.76

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Solution

The fourth proportional to 588.57, 882.78 and 155.76 is: 233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.57 : 882.78 = 155.76 : x
  2. Step 2: Convert to fraction form
    588.57/882.78 = 155.76/x
  3. Step 3: Cross multiply
    588.57x = 882.78 × 155.76
  4. Step 4: Simplify right side
    588.57x = 137,501.81
  5. Step 5: Solve for x
    x = 137,501.81/588.57
  6. Step 6: Final answer
    x = 233.62

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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.