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Finding the Fourth Proportional to 225.02, 337.18 and 155.52

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Solution

The fourth proportional to 225.02, 337.18 and 155.52 is: 233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.02 : 337.18 = 155.52 : x
  2. Step 2: Convert to fraction form
    225.02/337.18 = 155.52/x
  3. Step 3: Cross multiply
    225.02x = 337.18 × 155.52
  4. Step 4: Simplify right side
    225.02x = 52,438.23
  5. Step 5: Solve for x
    x = 52,438.23/225.02
  6. Step 6: Final answer
    x = 233.04

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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.