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Finding the Fourth Proportional to 368.98, 550.67 and 354.10

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Solution

The fourth proportional to 368.98, 550.67 and 354.10 is: 528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.98 : 550.67 = 354.10 : x
  2. Step 2: Convert to fraction form
    368.98/550.67 = 354.10/x
  3. Step 3: Cross multiply
    368.98x = 550.67 × 354.10
  4. Step 4: Simplify right side
    368.98x = 194,992.25
  5. Step 5: Solve for x
    x = 194,992.25/368.98
  6. Step 6: Final answer
    x = 528.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.