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Finding the Fourth Proportional to 349.55, 524.03 and 167.16

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Solution

The fourth proportional to 349.55, 524.03 and 167.16 is: 250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.55 : 524.03 = 167.16 : x
  2. Step 2: Convert to fraction form
    349.55/524.03 = 167.16/x
  3. Step 3: Cross multiply
    349.55x = 524.03 × 167.16
  4. Step 4: Simplify right side
    349.55x = 87,596.02
  5. Step 5: Solve for x
    x = 87,596.02/349.55
  6. Step 6: Final answer
    x = 250.60

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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.