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Finding the Fourth Proportional to 384.96, 534.45 and 373.08

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Solution

The fourth proportional to 384.96, 534.45 and 373.08 is: 517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.96 : 534.45 = 373.08 : x
  2. Step 2: Convert to fraction form
    384.96/534.45 = 373.08/x
  3. Step 3: Cross multiply
    384.96x = 534.45 × 373.08
  4. Step 4: Simplify right side
    384.96x = 199,392.61
  5. Step 5: Solve for x
    x = 199,392.61/384.96
  6. Step 6: Final answer
    x = 517.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.