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Finding the Fourth Proportional to 401.50, 554.34 and 246.52

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Solution

The fourth proportional to 401.50, 554.34 and 246.52 is: 340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.50 : 554.34 = 246.52 : x
  2. Step 2: Convert to fraction form
    401.50/554.34 = 246.52/x
  3. Step 3: Cross multiply
    401.50x = 554.34 × 246.52
  4. Step 4: Simplify right side
    401.50x = 136,655.90
  5. Step 5: Solve for x
    x = 136,655.90/401.50
  6. Step 6: Final answer
    x = 340.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.