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Finding the Fourth Proportional to 233.01, 348.95 and 141.50

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Solution

The fourth proportional to 233.01, 348.95 and 141.50 is: 211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.01 : 348.95 = 141.50 : x
  2. Step 2: Convert to fraction form
    233.01/348.95 = 141.50/x
  3. Step 3: Cross multiply
    233.01x = 348.95 × 141.50
  4. Step 4: Simplify right side
    233.01x = 49,377.65
  5. Step 5: Solve for x
    x = 49,377.65/233.01
  6. Step 6: Final answer
    x = 211.91

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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.