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Finding the Fourth Proportional to 369.03, 557.72 and 362.65

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Solution

The fourth proportional to 369.03, 557.72 and 362.65 is: 548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.03 : 557.72 = 362.65 : x
  2. Step 2: Convert to fraction form
    369.03/557.72 = 362.65/x
  3. Step 3: Cross multiply
    369.03x = 557.72 × 362.65
  4. Step 4: Simplify right side
    369.03x = 202,257.16
  5. Step 5: Solve for x
    x = 202,257.16/369.03
  6. Step 6: Final answer
    x = 548.08

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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.