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Finding the Fourth Proportional to 373.83, 562.74 and 340.35

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Solution

The fourth proportional to 373.83, 562.74 and 340.35 is: 512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.83 : 562.74 = 340.35 : x
  2. Step 2: Convert to fraction form
    373.83/562.74 = 340.35/x
  3. Step 3: Cross multiply
    373.83x = 562.74 × 340.35
  4. Step 4: Simplify right side
    373.83x = 191,528.56
  5. Step 5: Solve for x
    x = 191,528.56/373.83
  6. Step 6: Final answer
    x = 512.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.