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Finding the Fourth Proportional to 373.55, 559.56 and 312.04

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Solution

The fourth proportional to 373.55, 559.56 and 312.04 is: 467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.55 : 559.56 = 312.04 : x
  2. Step 2: Convert to fraction form
    373.55/559.56 = 312.04/x
  3. Step 3: Cross multiply
    373.55x = 559.56 × 312.04
  4. Step 4: Simplify right side
    373.55x = 174,605.10
  5. Step 5: Solve for x
    x = 174,605.10/373.55
  6. Step 6: Final answer
    x = 467.42

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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.