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Finding the Fourth Proportional to 240.91, 332.50 and 152.38

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Solution

The fourth proportional to 240.91, 332.50 and 152.38 is: 210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.91 : 332.50 = 152.38 : x
  2. Step 2: Convert to fraction form
    240.91/332.50 = 152.38/x
  3. Step 3: Cross multiply
    240.91x = 332.50 × 152.38
  4. Step 4: Simplify right side
    240.91x = 50,664.80
  5. Step 5: Solve for x
    x = 50,664.80/240.91
  6. Step 6: Final answer
    x = 210.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.