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Finding the Fourth Proportional to 366.04, 551.23 and 318.52

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Solution

The fourth proportional to 366.04, 551.23 and 318.52 is: 479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.04 : 551.23 = 318.52 : x
  2. Step 2: Convert to fraction form
    366.04/551.23 = 318.52/x
  3. Step 3: Cross multiply
    366.04x = 551.23 × 318.52
  4. Step 4: Simplify right side
    366.04x = 175,577.78
  5. Step 5: Solve for x
    x = 175,577.78/366.04
  6. Step 6: Final answer
    x = 479.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.