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Finding the Fourth Proportional to 541.22, 747.12 and 383.97

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Solution

The fourth proportional to 541.22, 747.12 and 383.97 is: 530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.22 : 747.12 = 383.97 : x
  2. Step 2: Convert to fraction form
    541.22/747.12 = 383.97/x
  3. Step 3: Cross multiply
    541.22x = 747.12 × 383.97
  4. Step 4: Simplify right side
    541.22x = 286,875.91
  5. Step 5: Solve for x
    x = 286,875.91/541.22
  6. Step 6: Final answer
    x = 530.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.