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Finding the Fourth Proportional to 469.17, 704.34 and 361.02

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Solution

The fourth proportional to 469.17, 704.34 and 361.02 is: 541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.17 : 704.34 = 361.02 : x
  2. Step 2: Convert to fraction form
    469.17/704.34 = 361.02/x
  3. Step 3: Cross multiply
    469.17x = 704.34 × 361.02
  4. Step 4: Simplify right side
    469.17x = 254,280.83
  5. Step 5: Solve for x
    x = 254,280.83/469.17
  6. Step 6: Final answer
    x = 541.98

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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.