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Finding the Fourth Proportional to 437.02, 656.76 and 330.10

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Solution

The fourth proportional to 437.02, 656.76 and 330.10 is: 496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.02 : 656.76 = 330.10 : x
  2. Step 2: Convert to fraction form
    437.02/656.76 = 330.10/x
  3. Step 3: Cross multiply
    437.02x = 656.76 × 330.10
  4. Step 4: Simplify right side
    437.02x = 216,796.48
  5. Step 5: Solve for x
    x = 216,796.48/437.02
  6. Step 6: Final answer
    x = 496.08

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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.