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Finding the Fourth Proportional to 384.04, 575.58 and 302.56

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Solution

The fourth proportional to 384.04, 575.58 and 302.56 is: 453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.04 : 575.58 = 302.56 : x
  2. Step 2: Convert to fraction form
    384.04/575.58 = 302.56/x
  3. Step 3: Cross multiply
    384.04x = 575.58 × 302.56
  4. Step 4: Simplify right side
    384.04x = 174,147.48
  5. Step 5: Solve for x
    x = 174,147.48/384.04
  6. Step 6: Final answer
    x = 453.46

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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.