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Finding the Fourth Proportional to 604.77, 903.30 and 482.67

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Solution

The fourth proportional to 604.77, 903.30 and 482.67 is: 720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.77 : 903.30 = 482.67 : x
  2. Step 2: Convert to fraction form
    604.77/903.30 = 482.67/x
  3. Step 3: Cross multiply
    604.77x = 903.30 × 482.67
  4. Step 4: Simplify right side
    604.77x = 435,995.81
  5. Step 5: Solve for x
    x = 435,995.81/604.77
  6. Step 6: Final answer
    x = 720.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.