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Finding the Fourth Proportional to 437.54, 653.54 and 372.22

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Solution

The fourth proportional to 437.54, 653.54 and 372.22 is: 555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.54 : 653.54 = 372.22 : x
  2. Step 2: Convert to fraction form
    437.54/653.54 = 372.22/x
  3. Step 3: Cross multiply
    437.54x = 653.54 × 372.22
  4. Step 4: Simplify right side
    437.54x = 243,257.16
  5. Step 5: Solve for x
    x = 243,257.16/437.54
  6. Step 6: Final answer
    x = 555.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.