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Finding the Fourth Proportional to 340.41, 510.11 and 210.06

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Solution

The fourth proportional to 340.41, 510.11 and 210.06 is: 314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.41 : 510.11 = 210.06 : x
  2. Step 2: Convert to fraction form
    340.41/510.11 = 210.06/x
  3. Step 3: Cross multiply
    340.41x = 510.11 × 210.06
  4. Step 4: Simplify right side
    340.41x = 107,153.44
  5. Step 5: Solve for x
    x = 107,153.44/340.41
  6. Step 6: Final answer
    x = 314.77

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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.