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Finding the Fourth Proportional to 424.35, 585.61 and 237.85

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Solution

The fourth proportional to 424.35, 585.61 and 237.85 is: 328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.35 : 585.61 = 237.85 : x
  2. Step 2: Convert to fraction form
    424.35/585.61 = 237.85/x
  3. Step 3: Cross multiply
    424.35x = 585.61 × 237.85
  4. Step 4: Simplify right side
    424.35x = 139,285.28
  5. Step 5: Solve for x
    x = 139,285.28/424.35
  6. Step 6: Final answer
    x = 328.23

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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.