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Finding the Fourth Proportional to 340.02, 508.50 and 303.68

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Solution

The fourth proportional to 340.02, 508.50 and 303.68 is: 454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.02 : 508.50 = 303.68 : x
  2. Step 2: Convert to fraction form
    340.02/508.50 = 303.68/x
  3. Step 3: Cross multiply
    340.02x = 508.50 × 303.68
  4. Step 4: Simplify right side
    340.02x = 154,421.28
  5. Step 5: Solve for x
    x = 154,421.28/340.02
  6. Step 6: Final answer
    x = 454.15

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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.