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Finding the Fourth Proportional to 590.32, 884.71 and 492.21

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Solution

The fourth proportional to 590.32, 884.71 and 492.21 is: 737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.32 : 884.71 = 492.21 : x
  2. Step 2: Convert to fraction form
    590.32/884.71 = 492.21/x
  3. Step 3: Cross multiply
    590.32x = 884.71 × 492.21
  4. Step 4: Simplify right side
    590.32x = 435,458.69
  5. Step 5: Solve for x
    x = 435,458.69/590.32
  6. Step 6: Final answer
    x = 737.67

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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.