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Finding the Fourth Proportional to 340.01, 509.91 and 96.55

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Solution

The fourth proportional to 340.01, 509.91 and 96.55 is: 144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.01 : 509.91 = 96.55 : x
  2. Step 2: Convert to fraction form
    340.01/509.91 = 96.55/x
  3. Step 3: Cross multiply
    340.01x = 509.91 × 96.55
  4. Step 4: Simplify right side
    340.01x = 49,231.81
  5. Step 5: Solve for x
    x = 49,231.81/340.01
  6. Step 6: Final answer
    x = 144.80

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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.