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Finding the Fourth Proportional to 554.96, 832.42 and 144.12

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Solution

The fourth proportional to 554.96, 832.42 and 144.12 is: 216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.96 : 832.42 = 144.12 : x
  2. Step 2: Convert to fraction form
    554.96/832.42 = 144.12/x
  3. Step 3: Cross multiply
    554.96x = 832.42 × 144.12
  4. Step 4: Simplify right side
    554.96x = 119,968.37
  5. Step 5: Solve for x
    x = 119,968.37/554.96
  6. Step 6: Final answer
    x = 216.17

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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.