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Finding the Fourth Proportional to 370.68, 555.55 and 224.49

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Solution

The fourth proportional to 370.68, 555.55 and 224.49 is: 336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.68 : 555.55 = 224.49 : x
  2. Step 2: Convert to fraction form
    370.68/555.55 = 224.49/x
  3. Step 3: Cross multiply
    370.68x = 555.55 × 224.49
  4. Step 4: Simplify right side
    370.68x = 124,715.42
  5. Step 5: Solve for x
    x = 124,715.42/370.68
  6. Step 6: Final answer
    x = 336.45

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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.