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Finding the Fourth Proportional to 548.32, 824.18 and 366.88

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Solution

The fourth proportional to 548.32, 824.18 and 366.88 is: 551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.32 : 824.18 = 366.88 : x
  2. Step 2: Convert to fraction form
    548.32/824.18 = 366.88/x
  3. Step 3: Cross multiply
    548.32x = 824.18 × 366.88
  4. Step 4: Simplify right side
    548.32x = 302,372.81
  5. Step 5: Solve for x
    x = 302,372.81/548.32
  6. Step 6: Final answer
    x = 551.45

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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.