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Finding the Fourth Proportional to 373.66, 559.41 and 346.66

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Solution

The fourth proportional to 373.66, 559.41 and 346.66 is: 518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.66 : 559.41 = 346.66 : x
  2. Step 2: Convert to fraction form
    373.66/559.41 = 346.66/x
  3. Step 3: Cross multiply
    373.66x = 559.41 × 346.66
  4. Step 4: Simplify right side
    373.66x = 193,925.07
  5. Step 5: Solve for x
    x = 193,925.07/373.66
  6. Step 6: Final answer
    x = 518.99

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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.