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Finding the Fourth Proportional to 372.48, 555.12 and 370.68

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Solution

The fourth proportional to 372.48, 555.12 and 370.68 is: 552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.48 : 555.12 = 370.68 : x
  2. Step 2: Convert to fraction form
    372.48/555.12 = 370.68/x
  3. Step 3: Cross multiply
    372.48x = 555.12 × 370.68
  4. Step 4: Simplify right side
    372.48x = 205,771.88
  5. Step 5: Solve for x
    x = 205,771.88/372.48
  6. Step 6: Final answer
    x = 552.44

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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.