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Finding the Fourth Proportional to 350.16, 524.90 and 118.84

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Solution

The fourth proportional to 350.16, 524.90 and 118.84 is: 178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.16 : 524.90 = 118.84 : x
  2. Step 2: Convert to fraction form
    350.16/524.90 = 118.84/x
  3. Step 3: Cross multiply
    350.16x = 524.90 × 118.84
  4. Step 4: Simplify right side
    350.16x = 62,379.12
  5. Step 5: Solve for x
    x = 62,379.12/350.16
  6. Step 6: Final answer
    x = 178.14

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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.