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Finding the Fourth Proportional to 288.02, 432.96 and 237.02

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Solution

The fourth proportional to 288.02, 432.96 and 237.02 is: 356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288.02 : 432.96 = 237.02 : x
  2. Step 2: Convert to fraction form
    288.02/432.96 = 237.02/x
  3. Step 3: Cross multiply
    288.02x = 432.96 × 237.02
  4. Step 4: Simplify right side
    288.02x = 102,620.18
  5. Step 5: Solve for x
    x = 102,620.18/288.02
  6. Step 6: Final answer
    x = 356.30

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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.