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Finding the Fourth Proportional to 374.48, 561.92 and 237.59

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Solution

The fourth proportional to 374.48, 561.92 and 237.59 is: 356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.48 : 561.92 = 237.59 : x
  2. Step 2: Convert to fraction form
    374.48/561.92 = 237.59/x
  3. Step 3: Cross multiply
    374.48x = 561.92 × 237.59
  4. Step 4: Simplify right side
    374.48x = 133,502.58
  5. Step 5: Solve for x
    x = 133,502.58/374.48
  6. Step 6: Final answer
    x = 356.51

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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.