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Finding the Fourth Proportional to 340.58, 510.69 and 166.98

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Solution

The fourth proportional to 340.58, 510.69 and 166.98 is: 250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.58 : 510.69 = 166.98 : x
  2. Step 2: Convert to fraction form
    340.58/510.69 = 166.98/x
  3. Step 3: Cross multiply
    340.58x = 510.69 × 166.98
  4. Step 4: Simplify right side
    340.58x = 85,275.02
  5. Step 5: Solve for x
    x = 85,275.02/340.58
  6. Step 6: Final answer
    x = 250.38

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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.