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Finding the Fourth Proportional to 487.03, 730.65 and 473.67

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Solution

The fourth proportional to 487.03, 730.65 and 473.67 is: 710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.03 : 730.65 = 473.67 : x
  2. Step 2: Convert to fraction form
    487.03/730.65 = 473.67/x
  3. Step 3: Cross multiply
    487.03x = 730.65 × 473.67
  4. Step 4: Simplify right side
    487.03x = 346,086.99
  5. Step 5: Solve for x
    x = 346,086.99/487.03
  6. Step 6: Final answer
    x = 710.61

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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.