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Finding the Fourth Proportional to 370.98, 552.15 and 368.01

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Solution

The fourth proportional to 370.98, 552.15 and 368.01 is: 547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.98 : 552.15 = 368.01 : x
  2. Step 2: Convert to fraction form
    370.98/552.15 = 368.01/x
  3. Step 3: Cross multiply
    370.98x = 552.15 × 368.01
  4. Step 4: Simplify right side
    370.98x = 203,196.72
  5. Step 5: Solve for x
    x = 203,196.72/370.98
  6. Step 6: Final answer
    x = 547.73

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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.