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Finding the Fourth Proportional to 588.40, 882.79 and 177.55

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Solution

The fourth proportional to 588.40, 882.79 and 177.55 is: 266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.40 : 882.79 = 177.55 : x
  2. Step 2: Convert to fraction form
    588.40/882.79 = 177.55/x
  3. Step 3: Cross multiply
    588.40x = 882.79 × 177.55
  4. Step 4: Simplify right side
    588.40x = 156,736.71
  5. Step 5: Solve for x
    x = 156,736.71/588.40
  6. Step 6: Final answer
    x = 266.38

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1.5x scale

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.