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Finding the Fourth Proportional to 384.59, 577.29 and 361.10

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Solution

The fourth proportional to 384.59, 577.29 and 361.10 is: 542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.59 : 577.29 = 361.10 : x
  2. Step 2: Convert to fraction form
    384.59/577.29 = 361.10/x
  3. Step 3: Cross multiply
    384.59x = 577.29 × 361.10
  4. Step 4: Simplify right side
    384.59x = 208,459.42
  5. Step 5: Solve for x
    x = 208,459.42/384.59
  6. Step 6: Final answer
    x = 542.03

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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.