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Finding the Fourth Proportional to 340.18, 510.13 and 210.14

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Solution

The fourth proportional to 340.18, 510.13 and 210.14 is: 315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.18 : 510.13 = 210.14 : x
  2. Step 2: Convert to fraction form
    340.18/510.13 = 210.14/x
  3. Step 3: Cross multiply
    340.18x = 510.13 × 210.14
  4. Step 4: Simplify right side
    340.18x = 107,195.12
  5. Step 5: Solve for x
    x = 107,195.12/340.18
  6. Step 6: Final answer
    x = 315.12

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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.