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Finding the Fourth Proportional to 369.60, 554.60 and 232.72

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Solution

The fourth proportional to 369.60, 554.60 and 232.72 is: 349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.60 : 554.60 = 232.72 : x
  2. Step 2: Convert to fraction form
    369.60/554.60 = 232.72/x
  3. Step 3: Cross multiply
    369.60x = 554.60 × 232.72
  4. Step 4: Simplify right side
    369.60x = 129,066.51
  5. Step 5: Solve for x
    x = 129,066.51/369.60
  6. Step 6: Final answer
    x = 349.21

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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.