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Finding the Fourth Proportional to 349.67, 524.57 and 118.59

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Solution

The fourth proportional to 349.67, 524.57 and 118.59 is: 177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.67 : 524.57 = 118.59 : x
  2. Step 2: Convert to fraction form
    349.67/524.57 = 118.59/x
  3. Step 3: Cross multiply
    349.67x = 524.57 × 118.59
  4. Step 4: Simplify right side
    349.67x = 62,210.13
  5. Step 5: Solve for x
    x = 62,210.13/349.67
  6. Step 6: Final answer
    x = 177.91

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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.