Home / 648.23-972.58-237.38

Finding the Fourth Proportional to 648.23, 972.58 and 237.38

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Solution

The fourth proportional to 648.23, 972.58 and 237.38 is: 356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.23 : 972.58 = 237.38 : x
  2. Step 2: Convert to fraction form
    648.23/972.58 = 237.38/x
  3. Step 3: Cross multiply
    648.23x = 972.58 × 237.38
  4. Step 4: Simplify right side
    648.23x = 230,872.17
  5. Step 5: Solve for x
    x = 230,872.17/648.23
  6. Step 6: Final answer
    x = 356.16

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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.